1227553460 has 48 divisors (see below), whose sum is σ = 2950940160. Its totient is φ = 420188160.

The previous prime is 1227553433. The next prime is 1227553487. The reversal of 1227553460 is 643557221.

It is an interprime number because it is at equal distance from previous prime (1227553433) and next prime (1227553487).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1227553460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82901 + ... + 96579.

It is an arithmetic number, because the mean of its divisors is an integer number (61477920).

Almost surely, 2^1227553460 is an apocalyptic number.

1227553460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1227553460 is an abundant number, since it is smaller than the sum of its proper divisors (1723386700).

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

1227553460 is a wasteful number, since it uses less digits than its factorization.

1227553460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14336 (or 14334 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 1227553460 is about 35036.4590105793. The cubic root of 1227553460 is about 1070.7304122830.

The spelling of 1227553460 in words is "one billion, two hundred twenty-seven million, five hundred fifty-three thousand, four hundred sixty".