1270063402 has 4 divisors (see below), whose sum is σ = 1905095106. Its totient is φ = 635031700.

The previous prime is 1270063367. The next prime is 1270063453. The reversal of 1270063402 is 2043600721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2043600721 = 653 ⋅3129557.

It can be written as a sum of positive squares in only one way, i.e., 904144761 + 365918641 = 30069^2 + 19129^2 .

It is a super-2 number, since 2×1270063402² = 3226122090199627208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317515849 + ... + 317515852.

Almost surely, 2^1270063402 is an apocalyptic number.

1270063402 is a deficient number, since it is larger than the sum of its proper divisors (635031704).

1270063402 is an equidigital number, since it uses as much as digits as its factorization.

1270063402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635031703.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1270063402 is about 35637.9489028199. The cubic root of 1270063402 is about 1082.9501535461.

The spelling of 1270063402 in words is "one billion, two hundred seventy million, sixty-three thousand, four hundred two".