1270662401 has 2 divisors, whose sum is σ = 1270662402. Its totient is φ = 1270662400.

The previous prime is 1270662397. The next prime is 1270662431. The reversal of 1270662401 is 1042660721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 942183025 + 328479376 = 30695^2 + 18124^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270662401 - 2² = 1270662397 is a prime.

It is a super-2 number, since 2×1270662401² = 3229165874630169602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1270662431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635331200 + 635331201.

It is an arithmetic number, because the mean of its divisors is an integer number (635331201).

Almost surely, 2^1270662401 is an apocalyptic number.

It is an amenable number.

1270662401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270662401 is an equidigital number, since it uses as much as digits as its factorization.

1270662401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1270662401 is about 35646.3518610250. The cubic root of 1270662401 is about 1083.1203770968.

The spelling of 1270662401 in words is "one billion, two hundred seventy million, six hundred sixty-two thousand, four hundred one".