125352401389 has 2 divisors, whose sum is σ = 125352401390. Its totient is φ = 125352401388.

The previous prime is 125352401351. The next prime is 125352401411. The reversal of 125352401389 is 983104253521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77246752489 + 48105648900 = 277933^2 + 219330^2 .

It is a cyclic number.

It is not a de Polignac number, because 125352401389 - 2⁷ = 125352401261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125352401089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62676200694 + 62676200695.

It is an arithmetic number, because the mean of its divisors is an integer number (62676200695).

Almost surely, 2^125352401389 is an apocalyptic number.

It is an amenable number.

125352401389 is a deficient number, since it is larger than the sum of its proper divisors (1).

125352401389 is an equidigital number, since it uses as much as digits as its factorization.

125352401389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 125352401389 in words is "one hundred twenty-five billion, three hundred fifty-two million, four hundred one thousand, three hundred eighty-nine".