125782390 has 8 divisors (see below), whose sum is σ = 226408320. Its totient is φ = 50312952.

The previous prime is 125782361. The next prime is 125782417. The reversal of 125782390 is 93287521.

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

It is a super-2 number, since 2×125782390² = 31642419268224200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6289110 + ... + 6289129.

It is an arithmetic number, because the mean of its divisors is an integer number (28301040).

Almost surely, 2^125782390 is an apocalyptic number.

125782390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125782390 is a deficient number, since it is larger than the sum of its proper divisors (100625930).

125782390 is a wasteful number, since it uses less digits than its factorization.

125782390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12578246.

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

The square root of 125782390 is about 11215.2748517368. The cubic root of 125782390 is about 501.0410177266.

The spelling of 125782390 in words is "one hundred twenty-five million, seven hundred eighty-two thousand, three hundred ninety".