126924407 has 2 divisors, whose sum is σ = 126924408. Its totient is φ = 126924406.

The previous prime is 126924401. The next prime is 126924437. The reversal of 126924407 is 704429621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126924407 is a prime.

It is a super-2 number, since 2×126924407² = 32219610184603298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126924401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63462203 + 63462204.

It is an arithmetic number, because the mean of its divisors is an integer number (63462204).

Almost surely, 2^126924407 is an apocalyptic number.

126924407 is a deficient number, since it is larger than the sum of its proper divisors (1).

126924407 is an equidigital number, since it uses as much as digits as its factorization.

126924407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 126924407 is about 11266.0732733282. The cubic root of 126924407 is about 502.5528200378.

The spelling of 126924407 in words is "one hundred twenty-six million, nine hundred twenty-four thousand, four hundred seven".