126023501 has 2 divisors, whose sum is σ = 126023502. Its totient is φ = 126023500.

The previous prime is 126023489. The next prime is 126023537. The reversal of 126023501 is 105320621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66748900 + 59274601 = 8170^2 + 7699^2 .

It is a cyclic number.

It is not a de Polignac number, because 126023501 - 2⁶ = 126023437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126023581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63011750 + 63011751.

It is an arithmetic number, because the mean of its divisors is an integer number (63011751).

Almost surely, 2^126023501 is an apocalyptic number.

It is an amenable number.

126023501 is a deficient number, since it is larger than the sum of its proper divisors (1).

126023501 is an equidigital number, since it uses as much as digits as its factorization.

126023501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 126023501 is about 11226.0189292554. The cubic root of 126023501 is about 501.3609602135.

The spelling of 126023501 in words is "one hundred twenty-six million, twenty-three thousand, five hundred one".