1270156053 has 4 divisors (see below), whose sum is σ = 1693541408. Its totient is φ = 846770700.

The previous prime is 1270156039. The next prime is 1270156073. The reversal of 1270156053 is 3506510721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1270156053 - 2⁵ = 1270156021 is a prime.

It is a super-2 number, since 2×1270156053² = 3226592797945077618, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1270156053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270156073) 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, 211692673 + ... + 211692678.

It is an arithmetic number, because the mean of its divisors is an integer number (423385352).

Almost surely, 2^1270156053 is an apocalyptic number.

It is an amenable number.

1270156053 is a deficient number, since it is larger than the sum of its proper divisors (423385355).

1270156053 is an equidigital number, since it uses as much as digits as its factorization.

1270156053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423385354.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 1270156053 is about 35639.2487715440. The cubic root of 1270156053 is about 1082.9764866081.

Adding to 1270156053 its reverse (3506510721), we get a palindrome (4776666774).

The spelling of 1270156053 in words is "one billion, two hundred seventy million, one hundred fifty-six thousand, fifty-three".