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121031102 = 2193185029
BaseRepresentation
bin1110011011011…
…00100110111110
322102202000110102
413031230212332
5221440443402
620002041102
72666514233
oct715544676
9272660412
10121031102
1162356505
1234649192
131c0c834a
141210778a
15a95b102
hex736c9be

121031102 has 8 divisors (see below), whose sum is σ = 191101800. Its totient is φ = 57330504.

The previous prime is 121031101. The next prime is 121031117. The reversal of 121031102 is 201130121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121031101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592477 + ... + 1592552.

It is an arithmetic number, because the mean of its divisors is an integer number (23887725).

Almost surely, 2121031102 is an apocalyptic number.

121031102 is a deficient number, since it is larger than the sum of its proper divisors (70070698).

121031102 is a wasteful number, since it uses less digits than its factorization.

121031102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185050.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 121031102 is about 11001.4136364378. The cubic root of 121031102 is about 494.6511189896.

Adding to 121031102 its reverse (201130121), we get a palindrome (322161223).

The spelling of 121031102 in words is "one hundred twenty-one million, thirty-one thousand, one hundred two".

Divisors: 1 2 19 38 3185029 6370058 60515551 121031102