1270521480 has 64 divisors (see below), whose sum is σ = 3848607360. Its totient is φ = 335513088.

The previous prime is 1270521479. The next prime is 1270521487. The reversal of 1270521480 is 841250721.

It is a super-2 number, since 2×1270521480² = 3228449662282780800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1270521487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39037 + ... + 63756.

It is an arithmetic number, because the mean of its divisors is an integer number (60134490).

Almost surely, 2^1270521480 is an apocalyptic number.

1270521480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1270521480 is an abundant number, since it is smaller than the sum of its proper divisors (2578085880).

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

1270521480 is a wasteful number, since it uses less digits than its factorization.

1270521480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102910 (or 102906 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 1270521480 is about 35644.3751523294. The cubic root of 1270521480 is about 1083.0803349767.

The spelling of 1270521480 in words is "one billion, two hundred seventy million, five hundred twenty-one thousand, four hundred eighty".