126972253 has 2 divisors, whose sum is σ = 126972254. Its totient is φ = 126972252.

The previous prime is 126972233. The next prime is 126972289. The reversal of 126972253 is 352279621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79334649 + 47637604 = 8907^2 + 6902^2 .

It is a cyclic number.

It is not a de Polignac number, because 126972253 - 2⁵ = 126972221 is a prime.

It is a super-2 number, since 2×126972253² = 32243906063792018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126972233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63486126 + 63486127.

It is an arithmetic number, because the mean of its divisors is an integer number (63486127).

Almost surely, 2^126972253 is an apocalyptic number.

It is an amenable number.

126972253 is a deficient number, since it is larger than the sum of its proper divisors (1).

126972253 is an equidigital number, since it uses as much as digits as its factorization.

126972253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 126972253 is about 11268.1965282826. The cubic root of 126972253 is about 502.6159603012.

The spelling of 126972253 in words is "one hundred twenty-six million, nine hundred seventy-two thousand, two hundred fifty-three".