97129942 has 32 divisors (see below), whose sum is σ = 189870912. Its totient is φ = 36163584.

The previous prime is 97129939. The next prime is 97129951. The reversal of 97129942 is 24992179.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12603 + ... + 18790.

It is an arithmetic number, because the mean of its divisors is an integer number (5933466).

Almost surely, 2^97129942 is an apocalyptic number.

97129942 is a deficient number, since it is larger than the sum of its proper divisors (92740970).

97129942 is a wasteful number, since it uses less digits than its factorization.

97129942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31432.

The product of its digits is 81648, while the sum is 43.

The square root of 97129942 is about 9855.4523995604. The cubic root of 97129942 is about 459.6751676467.

The spelling of 97129942 in words is "ninety-seven million, one hundred twenty-nine thousand, nine hundred forty-two".