129010744 has 16 divisors (see below), whose sum is σ = 244037520. Its totient is φ = 63934080.

The previous prime is 129010729. The next prime is 129010781. The reversal of 129010744 is 447010921.

129010744 = 1012² + 1013² + ... + 1124².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70452 + ... + 72259.

It is an arithmetic number, because the mean of its divisors is an integer number (15252345).

Almost surely, 2^129010744 is an apocalyptic number.

It is an amenable number.

129010744 is a deficient number, since it is larger than the sum of its proper divisors (115026776).

129010744 is a wasteful number, since it uses less digits than its factorization.

129010744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142830 (or 142826 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 129010744 is about 11358.2896599796. The cubic root of 129010744 is about 505.2914619820.

The spelling of 129010744 in words is "one hundred twenty-nine million, ten thousand, seven hundred forty-four".