1235020460 has 12 divisors (see below), whose sum is σ = 2593543008. Its totient is φ = 494008176.

The previous prime is 1235020459. The next prime is 1235020487. The reversal of 1235020460 is 640205321.

It is a super-2 number, since 2×1235020460² = 3050551073237223200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30875492 + ... + 30875531.

It is an arithmetic number, because the mean of its divisors is an integer number (216128584).

Almost surely, 2^1235020460 is an apocalyptic number.

1235020460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1235020460 is an abundant number, since it is smaller than the sum of its proper divisors (1358522548).

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

1235020460 is a wasteful number, since it uses less digits than its factorization.

1235020460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61751032 (or 61751030 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1235020460 is about 35142.8578803717. The cubic root of 1235020460 is about 1072.8970490865.

Adding to 1235020460 its reverse (640205321), we get a palindrome (1875225781).

The spelling of 1235020460 in words is "one billion, two hundred thirty-five million, twenty thousand, four hundred sixty".