1260653560 has 32 divisors (see below), whose sum is σ = 2872382400. Its totient is φ = 497877120.

The previous prime is 1260653521. The next prime is 1260653567. The reversal of 1260653560 is 653560621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260653567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196311 + ... + 202630.

It is an arithmetic number, because the mean of its divisors is an integer number (89761950).

Almost surely, 2^1260653560 is an apocalyptic number.

1260653560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1260653560 is an abundant number, since it is smaller than the sum of its proper divisors (1611728840).

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

1260653560 is a wasteful number, since it uses less digits than its factorization.

1260653560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399031 (or 399027 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1260653560 is about 35505.6834887036. The cubic root of 1260653560 is about 1080.2690116343.

It can be divided in two parts, 12606 and 53560, that added together give a palindrome (66166).

The spelling of 1260653560 in words is "one billion, two hundred sixty million, six hundred fifty-three thousand, five hundred sixty".