125211534 has 32 divisors (see below), whose sum is σ = 286903296. Its totient is φ = 35686560.

The previous prime is 125211533. The next prime is 125211551. The reversal of 125211534 is 435112521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125211533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14644 + ... + 21560.

It is an arithmetic number, because the mean of its divisors is an integer number (8965728).

Almost surely, 2^125211534 is an apocalyptic number.

125211534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

125211534 is an abundant number, since it is smaller than the sum of its proper divisors (161691762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125211534 is a wasteful number, since it uses less digits than its factorization.

125211534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7360.

The product of its digits is 1200, while the sum is 24.

The square root of 125211534 is about 11189.7959766923. The cubic root of 125211534 is about 500.2818863836.

The spelling of 125211534 in words is "one hundred twenty-five million, two hundred eleven thousand, five hundred thirty-four".