126372751 has 2 divisors, whose sum is σ = 126372752. Its totient is φ = 126372750.

The previous prime is 126372721. The next prime is 126372767. The reversal of 126372751 is 157273621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126372751 - 2¹³ = 126364559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126372721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63186375 + 63186376.

It is an arithmetic number, because the mean of its divisors is an integer number (63186376).

Almost surely, 2^126372751 is an apocalyptic number.

126372751 is a deficient number, since it is larger than the sum of its proper divisors (1).

126372751 is an equidigital number, since it uses as much as digits as its factorization.

126372751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 34.

The square root of 126372751 is about 11241.5635478344. The cubic root of 126372751 is about 501.8236749988.

The spelling of 126372751 in words is "one hundred twenty-six million, three hundred seventy-two thousand, seven hundred fifty-one".