1025114660 has 12 divisors (see below), whose sum is σ = 2152740828. Its totient is φ = 410045856.

The previous prime is 1025114659. The next prime is 1025114719. The reversal of 1025114660 is 664115201.

It can be written as a sum of positive squares in 2 ways, for example, as 804176164 + 220938496 = 28358^2 + 14864^2 .

It is a super-2 number, since 2×1025114660² = 2101720132293831200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25627847 + ... + 25627886.

It is an arithmetic number, because the mean of its divisors is an integer number (179395069).

Almost surely, 2^1025114660 is an apocalyptic number.

1025114660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025114660 is an abundant number, since it is smaller than the sum of its proper divisors (1127626168).

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

1025114660 is a wasteful number, since it uses less digits than its factorization.

1025114660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51255742 (or 51255740 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1025114660 is about 32017.4118254427. The cubic root of 1025114660 is about 1008.3024321898.

Adding to 1025114660 its reverse (664115201), we get a palindrome (1689229861).

The spelling of 1025114660 in words is "one billion, twenty-five million, one hundred fourteen thousand, six hundred sixty".