125870745 has 128 divisors (see below), whose sum is σ = 276369408. Its totient is φ = 47232000.

The previous prime is 125870741. The next prime is 125870783. The reversal of 125870745 is 547078521.

It is not a de Polignac number, because 125870745 - 2² = 125870741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (125870741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1246195 + ... + 1246295.

It is an arithmetic number, because the mean of its divisors is an integer number (2159136).

Almost surely, 2^125870745 is an apocalyptic number.

125870745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125870745 is an abundant number, since it is smaller than the sum of its proper divisors (150498663).

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

125870745 is a wasteful number, since it uses less digits than its factorization.

125870745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 125870745 is about 11219.2132077076. The cubic root of 125870745 is about 501.1583079068.

The spelling of 125870745 in words is "one hundred twenty-five million, eight hundred seventy thousand, seven hundred forty-five".