125215190 has 8 divisors (see below), whose sum is σ = 225387360. Its totient is φ = 50086072.

The previous prime is 125215163. The next prime is 125215199. The reversal of 125215190 is 91512521.

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

It is a super-2 number, since 2×125215190² = 31357687613472200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125215199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6260750 + ... + 6260769.

It is an arithmetic number, because the mean of its divisors is an integer number (28173420).

Almost surely, 2^125215190 is an apocalyptic number.

125215190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125215190 is a deficient number, since it is larger than the sum of its proper divisors (100172170).

125215190 is a wasteful number, since it uses less digits than its factorization.

125215190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12521526.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 125215190 is about 11189.9593386214. The cubic root of 125215190 is about 500.2867555111.

The spelling of 125215190 in words is "one hundred twenty-five million, two hundred fifteen thousand, one hundred ninety".