125738623 has 2 divisors, whose sum is σ = 125738624. Its totient is φ = 125738622.

The previous prime is 125738611. The next prime is 125738653. The reversal of 125738623 is 326837521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125738623 - 2¹³ = 125730431 is a prime.

It is a super-2 number, since 2×125738623² = 31620402627872258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125738653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62869311 + 62869312.

It is an arithmetic number, because the mean of its divisors is an integer number (62869312).

Almost surely, 2^125738623 is an apocalyptic number.

125738623 is a deficient number, since it is larger than the sum of its proper divisors (1).

125738623 is an equidigital number, since it uses as much as digits as its factorization.

125738623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 125738623 is about 11213.3234591712. The cubic root of 125738623 is about 500.9828972267.

The spelling of 125738623 in words is "one hundred twenty-five million, seven hundred thirty-eight thousand, six hundred twenty-three".