1270526240 has 24 divisors (see below), whose sum is σ = 3001618620. Its totient is φ = 508210432.

The previous prime is 1270526183. The next prime is 1270526249. The reversal of 1270526240 is 426250721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1125468304 + 145057936 = 33548^2 + 12044^2 .

It is a super-2 number, since 2×1270526240² = 3228473853057075200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1270526249) 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, 3970235 + ... + 3970554.

Almost surely, 2^1270526240 is an apocalyptic number.

1270526240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1270526240 is an abundant number, since it is smaller than the sum of its proper divisors (1731092380).

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

1270526240 is an equidigital number, since it uses as much as digits as its factorization.

1270526240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7940804 (or 7940796 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1270526240 is about 35644.4419229703. The cubic root of 1270526240 is about 1083.0816875593.

Adding to 1270526240 its reverse (426250721), we get a palindrome (1696776961).

The spelling of 1270526240 in words is "one billion, two hundred seventy million, five hundred twenty-six thousand, two hundred forty".