125426123 has 2 divisors, whose sum is σ = 125426124. Its totient is φ = 125426122.

The previous prime is 125426111. The next prime is 125426137. The reversal of 125426123 is 321624521.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (321624521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125426123 - 2¹² = 125422027 is a prime.

It is a super-2 number, since 2×125426123² = 31463424661622258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125426092 and 125426101.

It is not a weakly prime, because it can be changed into another prime (125426173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62713061 + 62713062.

It is an arithmetic number, because the mean of its divisors is an integer number (62713062).

Almost surely, 2^125426123 is an apocalyptic number.

125426123 is a deficient number, since it is larger than the sum of its proper divisors (1).

125426123 is an equidigital number, since it uses as much as digits as its factorization.

125426123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 125426123 is about 11199.3804739369. The cubic root of 125426123 is about 500.5675195993.

The spelling of 125426123 in words is "one hundred twenty-five million, four hundred twenty-six thousand, one hundred twenty-three".