126924401 has 2 divisors, whose sum is σ = 126924402. Its totient is φ = 126924400.

The previous prime is 126924383. The next prime is 126924407. The reversal of 126924401 is 104429621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126540001 + 384400 = 11249^2 + 620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126924401 is a prime.

It is a super-2 number, since 2×126924401² = 32219607138417602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126924407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63462200 + 63462201.

It is an arithmetic number, because the mean of its divisors is an integer number (63462201).

Almost surely, 2^126924401 is an apocalyptic number.

It is an amenable number.

126924401 is a deficient number, since it is larger than the sum of its proper divisors (1).

126924401 is an equidigital number, since it uses as much as digits as its factorization.

126924401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 126924401 is about 11266.0730070420. The cubic root of 126924401 is about 502.5528121188.

The spelling of 126924401 in words is "one hundred twenty-six million, nine hundred twenty-four thousand, four hundred one".