125651146 has 4 divisors (see below), whose sum is σ = 188476722. Its totient is φ = 62825572.

The previous prime is 125651137. The next prime is 125651147. The reversal of 125651146 is 641156521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101787921 + 23863225 = 10089^2 + 4885^2 .

It is a super-2 number, since 2×125651146² = 31576420982226632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125651147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31412785 + ... + 31412788.

Almost surely, 2^125651146 is an apocalyptic number.

125651146 is a deficient number, since it is larger than the sum of its proper divisors (62825576).

125651146 is an equidigital number, since it uses as much as digits as its factorization.

125651146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62825575.

The product of its digits is 7200, while the sum is 31.

The square root of 125651146 is about 11209.4221974195. The cubic root of 125651146 is about 500.8666914904.

The spelling of 125651146 in words is "one hundred twenty-five million, six hundred fifty-one thousand, one hundred forty-six".