125801534 has 16 divisors (see below), whose sum is σ = 195127296. Its totient is φ = 60766200.

The previous prime is 125801521. The next prime is 125801549. The reversal of 125801534 is 435108521.

It is a junction number, because it is equal to n+sod(n) for n = 125801497 and 125801506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43679 + ... + 46469.

It is an arithmetic number, because the mean of its divisors is an integer number (12195456).

Almost surely, 2^125801534 is an apocalyptic number.

125801534 is a deficient number, since it is larger than the sum of its proper divisors (69325762).

125801534 is a wasteful number, since it uses less digits than its factorization.

125801534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 125801534 is about 11216.1282981250. The cubic root of 125801534 is about 501.0664358122.

The spelling of 125801534 in words is "one hundred twenty-five million, eight hundred one thousand, five hundred thirty-four".