126897453 has 12 divisors (see below), whose sum is σ = 183417468. Its totient is φ = 84542400.

The previous prime is 126897451. The next prime is 126897461. The reversal of 126897453 is 354798621.

It can be written as a sum of positive squares in 2 ways, for example, as 53846244 + 73051209 = 7338^2 + 8547^2 .

It is not a de Polignac number, because 126897453 - 2¹ = 126897451 is a prime.

It is a super-2 number, since 2×126897453² = 32205927155774418, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126897399 and 126897408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126897451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13401 + ... + 20817.

It is an arithmetic number, because the mean of its divisors is an integer number (15284789).

Almost surely, 2^126897453 is an apocalyptic number.

It is an amenable number.

126897453 is a deficient number, since it is larger than the sum of its proper divisors (56520015).

126897453 is a wasteful number, since it uses less digits than its factorization.

126897453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324 (or 9321 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 126897453 is about 11264.8769633760. The cubic root of 126897453 is about 502.5172430409.

The spelling of 126897453 in words is "one hundred twenty-six million, eight hundred ninety-seven thousand, four hundred fifty-three".