125740534 has 8 divisors (see below), whose sum is σ = 199705608. Its totient is φ = 59172000.

The previous prime is 125740513. The next prime is 125740543. The reversal of 125740534 is 435047521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 125740496 and 125740505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849092 + ... + 1849159.

It is an arithmetic number, because the mean of its divisors is an integer number (24963201).

Almost surely, 2^125740534 is an apocalyptic number.

125740534 is a deficient number, since it is larger than the sum of its proper divisors (73965074).

125740534 is a wasteful number, since it uses less digits than its factorization.

125740534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698270.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 125740534 is about 11213.4086699808. The cubic root of 125740534 is about 500.9854352256.

The spelling of 125740534 in words is "one hundred twenty-five million, seven hundred forty thousand, five hundred thirty-four".