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121070916 = 22331121027
BaseRepresentation
bin1110011011101…
…10010101000100
322102211001002000
413031312111010
5221443232131
620002545300
73000041301
oct715662504
9272731060
10121070916
116238340a
1234668230
131c1104c5
14121180a8
15a967ce6
hex7376544

121070916 has 24 divisors (see below), whose sum is σ = 313887840. Its totient is φ = 40356936.

The previous prime is 121070893. The next prime is 121070927. The reversal of 121070916 is 619070121.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 121070916.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560406 + ... + 560621.

It is an arithmetic number, because the mean of its divisors is an integer number (13078660).

Almost surely, 2121070916 is an apocalyptic number.

It is an amenable number.

121070916 is an abundant number, since it is smaller than the sum of its proper divisors (192816924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121070916 is a wasteful number, since it uses less digits than its factorization.

121070916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121040 (or 1121032 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 121070916 is about 11003.2229823811. Note that the first 3 decimals coincide. The cubic root of 121070916 is about 494.7053526541.

The spelling of 121070916 in words is "one hundred twenty-one million, seventy thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1121027 2242054 3363081 4484108 6726162 10089243 13452324 20178486 30267729 40356972 60535458 121070916