1263152460 has 48 divisors (see below), whose sum is σ = 3571862112. Its totient is φ = 333504000.

The previous prime is 1263152459. The next prime is 1263152461. The reversal of 1263152460 is 642513621.

It is an interprime number because it is at equal distance from previous prime (1263152459) and next prime (1263152461).

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 (1263152461) 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, 98161 + ... + 110280.

It is an arithmetic number, because the mean of its divisors is an integer number (74413794).

Almost surely, 2^1263152460 is an apocalyptic number.

1263152460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1263152460 is an abundant number, since it is smaller than the sum of its proper divisors (2308709652).

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

1263152460 is a wasteful number, since it uses less digits than its factorization.

1263152460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208554 (or 208552 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1263152460 is about 35540.8562080319. The cubic root of 1263152460 is about 1080.9823195612.

The spelling of 1263152460 in words is "one billion, two hundred sixty-three million, one hundred fifty-two thousand, four hundred sixty".