126479401 has 2 divisors, whose sum is σ = 126479402. Its totient is φ = 126479400.

The previous prime is 126479399. The next prime is 126479407. The reversal of 126479401 is 104974621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104530176 + 21949225 = 10224^2 + 4685^2 .

It is a cyclic number.

It is not a de Polignac number, because 126479401 - 2¹ = 126479399 is a prime.

Together with 126479399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (126479407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63239700 + 63239701.

It is an arithmetic number, because the mean of its divisors is an integer number (63239701).

Almost surely, 2^126479401 is an apocalyptic number.

It is an amenable number.

126479401 is a deficient number, since it is larger than the sum of its proper divisors (1).

126479401 is an equidigital number, since it uses as much as digits as its factorization.

126479401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 126479401 is about 11246.3061046728. The cubic root of 126479401 is about 501.9648036466.

The spelling of 126479401 in words is "one hundred twenty-six million, four hundred seventy-nine thousand, four hundred one".