1270630133 has 4 divisors (see below), whose sum is σ = 1345373100. Its totient is φ = 1195887168.

The previous prime is 1270630079. The next prime is 1270630169. The reversal of 1270630133 is 3310360721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3310360721 = 23 ⋅143928727.

It can be written as a sum of positive squares in 2 ways, for example, as 505665169 + 764964964 = 22487^2 + 27658^2 .

It is not a de Polignac number, because 1270630133 - 2¹⁰ = 1270629109 is a prime.

It is a super-2 number, since 2×1270630133² = 3229001869775195378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270630033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37371458 + ... + 37371491.

It is an arithmetic number, because the mean of its divisors is an integer number (336343275).

Almost surely, 2^1270630133 is an apocalyptic number.

It is an amenable number.

1270630133 is a deficient number, since it is larger than the sum of its proper divisors (74742967).

1270630133 is an equidigital number, since it uses as much as digits as its factorization.

1270630133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74742966.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 1270630133 is about 35645.8992452147. The cubic root of 1270630133 is about 1083.1112085392. Note that the first 3 decimals are identical.

Adding to 1270630133 its reverse (3310360721), we get a palindrome (4580990854).

The spelling of 1270630133 in words is "one billion, two hundred seventy million, six hundred thirty thousand, one hundred thirty-three".