1270140533 has 4 divisors (see below), whose sum is σ = 1344854700. Its totient is φ = 1195426368.

The previous prime is 1270140511. The next prime is 1270140623. The reversal of 1270140533 is 3350410721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 351262564 + 918877969 = 18742^2 + 30313^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270140533 - 2¹⁶ = 1270074997 is a prime.

It is a super-2 number, since 2×1270140533² = 3226513947139048178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270140133) 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, 37357058 + ... + 37357091.

It is an arithmetic number, because the mean of its divisors is an integer number (336213675).

Almost surely, 2^1270140533 is an apocalyptic number.

It is an amenable number.

1270140533 is a deficient number, since it is larger than the sum of its proper divisors (74714167).

1270140533 is an equidigital number, since it uses as much as digits as its factorization.

1270140533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74714166.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1270140533 is about 35639.0310334049. The cubic root of 1270140533 is about 1082.9720756373.

The spelling of 1270140533 in words is "one billion, two hundred seventy million, one hundred forty thousand, five hundred thirty-three".