129462790 has 16 divisors (see below), whose sum is σ = 234004320. Its totient is φ = 51569280.

The previous prime is 129462779. The next prime is 129462797. The reversal of 129462790 is 97264921.

It is a super-2 number, since 2×129462790² = 33521227989168200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129462797) 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, 24450 + ... + 29269.

It is an arithmetic number, because the mean of its divisors is an integer number (14625270).

Almost surely, 2^129462790 is an apocalyptic number.

129462790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129462790 is a deficient number, since it is larger than the sum of its proper divisors (104541530).

129462790 is a wasteful number, since it uses less digits than its factorization.

129462790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53967.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 129462790 is about 11378.1716457434. The cubic root of 129462790 is about 505.8809444573.

The spelling of 129462790 in words is "one hundred twenty-nine million, four hundred sixty-two thousand, seven hundred ninety".