1270505412 has 120 divisors (see below), whose sum is σ = 3659527872. Its totient is φ = 381153600.

The previous prime is 1270505381. The next prime is 1270505419. The reversal of 1270505412 is 2145050721.

1270505412 is a `hidden beast` number, since 1 + 2 + 70 + 50 + 541 + 2 = 666.

It is a super-2 number, since 2×1270505412² = 3228368003842579488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1270505419) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 365362 + ... + 368822.

Almost surely, 2^1270505412 is an apocalyptic number.

1270505412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270505412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1829763936).

1270505412 is an abundant number, since it is smaller than the sum of its proper divisors (2389022460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1270505412 is a wasteful number, since it uses less digits than its factorization.

1270505412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591 (or 3580 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 1270505412 is about 35644.1497584106. The cubic root of 1270505412 is about 1083.0757691328.

The spelling of 1270505412 in words is "one billion, two hundred seventy million, five hundred five thousand, four hundred twelve".