123497902 has 32 divisors (see below), whose sum is σ = 212937984. Its totient is φ = 53169600.

The previous prime is 123497873. The next prime is 123497903. The reversal of 123497902 is 209794321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123497903) 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 15 ways as a sum of consecutive naturals, for example, 53002 + ... + 55282.

It is an arithmetic number, because the mean of its divisors is an integer number (6654312).

Almost surely, 2^123497902 is an apocalyptic number.

123497902 is a deficient number, since it is larger than the sum of its proper divisors (89440082).

123497902 is a wasteful number, since it uses less digits than its factorization.

123497902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 123497902 is about 11112.9609915630. The cubic root of 123497902 is about 497.9891262820.

The spelling of 123497902 in words is "one hundred twenty-three million, four hundred ninety-seven thousand, nine hundred two".