125146791 has 36 divisors (see below), whose sum is σ = 227093776. Its totient is φ = 65007360.

The previous prime is 125146771. The next prime is 125146793. The reversal of 125146791 is 197641521.

It is not a de Polignac number, because 125146791 - 2¹¹ = 125144743 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125146793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 586 + ... + 15831.

Almost surely, 2^125146791 is an apocalyptic number.

125146791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125146791 is a deficient number, since it is larger than the sum of its proper divisors (101946985).

125146791 is a wasteful number, since it uses less digits than its factorization.

125146791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16452 (or 16438 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 125146791 is about 11186.9026544437. The cubic root of 125146791 is about 500.1956447696.

The spelling of 125146791 in words is "one hundred twenty-five million, one hundred forty-six thousand, seven hundred ninety-one".