125311356 has 18 divisors (see below), whose sum is σ = 316759352. Its totient is φ = 41770440.

The previous prime is 125311343. The next prime is 125311363. The reversal of 125311356 is 653113521.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1740400 + ... + 1740471.

Almost surely, 2^125311356 is an apocalyptic number.

It is an amenable number.

125311356 is an abundant number, since it is smaller than the sum of its proper divisors (191447996).

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

125311356 is a wasteful number, since it uses less digits than its factorization.

125311356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480881 (or 3480876 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 125311356 is about 11194.2554910990. The cubic root of 125311356 is about 500.4147971249.

Adding to 125311356 its reverse (653113521), we get a palindrome (778424877).

The spelling of 125311356 in words is "one hundred twenty-five million, three hundred eleven thousand, three hundred fifty-six".