125400345 has 32 divisors (see below), whose sum is σ = 234904320. Its totient is φ = 55925760.

The previous prime is 125400269. The next prime is 125400389. The reversal of 125400345 is 543004521.

It is not a de Polignac number, because 125400345 - 2¹¹ = 125398297 is a prime.

It is a super-2 number, since 2×125400345² = 31450493052238050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10260 + ... + 18869.

It is an arithmetic number, because the mean of its divisors is an integer number (7340760).

Almost surely, 2^125400345 is an apocalyptic number.

125400345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125400345 is a deficient number, since it is larger than the sum of its proper divisors (109503975).

125400345 is a wasteful number, since it uses less digits than its factorization.

125400345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29185.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 125400345 is about 11198.2295475669. The cubic root of 125400345 is about 500.5332244745.

Adding to 125400345 its reverse (543004521), we get a palindrome (668404866).

The spelling of 125400345 in words is "one hundred twenty-five million, four hundred thousand, three hundred forty-five".