121690035 has 48 divisors (see below), whose sum is σ = 220566528. Its totient is φ = 61992000.

The previous prime is 121690027. The next prime is 121690057. The reversal of 121690035 is 530096121.

It is not a de Polignac number, because 121690035 - 2³ = 121690027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121689990 and 121690008.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115260 + ... + 116310.

It is an arithmetic number, because the mean of its divisors is an integer number (4595136).

Almost surely, 2^121690035 is an apocalyptic number.

121690035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121690035 is a deficient number, since it is larger than the sum of its proper divisors (98876493).

121690035 is a wasteful number, since it uses less digits than its factorization.

121690035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 121690035 is about 11031.3206371676. The cubic root of 121690035 is about 495.5471757647.

The spelling of 121690035 in words is "one hundred twenty-one million, six hundred ninety thousand, thirty-five".