125279830 has 16 divisors (see below), whose sum is σ = 242850384. Its totient is φ = 46257120.

The previous prime is 125279821. The next prime is 125279831. The reversal of 125279830 is 38972521.

It is a super-3 number, since 3×125279830³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125279830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125279831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481716 + ... + 481975.

It is an arithmetic number, because the mean of its divisors is an integer number (15178149).

Almost surely, 2^125279830 is an apocalyptic number.

125279830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125279830 is a deficient number, since it is larger than the sum of its proper divisors (117570554).

125279830 is a wasteful number, since it uses less digits than its factorization.

125279830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963711.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 125279830 is about 11192.8472695735. The cubic root of 125279830 is about 500.3728285952.

The spelling of 125279830 in words is "one hundred twenty-five million, two hundred seventy-nine thousand, eight hundred thirty".