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121961341 = 2315135117
BaseRepresentation
bin1110100010011…
…11101101111101
322111111021111201
413101033231331
5222210230331
620034015501
73010440265
oct721175575
9274437451
10121961341
11629313a7
1234a17591
131c362898
14122aa7a5
15aa91a61
hex744fb7d

121961341 has 8 divisors (see below), whose sum is σ = 128110464. Its totient is φ = 115882800.

The previous prime is 121961339. The next prime is 121961351. The reversal of 121961341 is 143169121.

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

It is a cyclic number.

It is not a de Polignac number, because 121961341 - 21 = 121961339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121961351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14086 + ... + 21031.

It is an arithmetic number, because the mean of its divisors is an integer number (16013808).

Almost surely, 2121961341 is an apocalyptic number.

It is an amenable number.

121961341 is a deficient number, since it is larger than the sum of its proper divisors (6149123).

121961341 is a wasteful number, since it uses less digits than its factorization.

121961341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35291.

The product of its digits is 1296, while the sum is 28.

The square root of 121961341 is about 11043.6108678276. The cubic root of 121961341 is about 495.9151739369.

The spelling of 121961341 in words is "one hundred twenty-one million, nine hundred sixty-one thousand, three hundred forty-one".

Divisors: 1 23 151 3473 35117 807691 5302667 121961341