123498961 has 8 divisors (see below), whose sum is σ = 124436480. Its totient is φ = 122565312.

The previous prime is 123498941. The next prime is 123498979. The reversal of 123498961 is 169894321.

It is a happy number.

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 123498961 - 2⁷ = 123498833 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123498901) 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, 95920 + ... + 97198.

It is an arithmetic number, because the mean of its divisors is an integer number (15554560).

Almost surely, 2^123498961 is an apocalyptic number.

It is an amenable number.

123498961 is a deficient number, since it is larger than the sum of its proper divisors (937519).

123498961 is a wasteful number, since it uses less digits than its factorization.

123498961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935.

The product of its digits is 93312, while the sum is 43.

The square root of 123498961 is about 11113.0086385281. The cubic root of 123498961 is about 497.9905497043.

The spelling of 123498961 in words is "one hundred twenty-three million, four hundred ninety-eight thousand, nine hundred sixty-one".