1200554460 has 240 divisors, whose sum is σ = 4492325376. Its totient is φ = 262424448.

The previous prime is 1200554447. The next prime is 1200554477. The reversal of 1200554460 is 644550021.

It is a super-2 number, since 2×1200554460² = 2882662022851783200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 258519 + ... + 263121.

Almost surely, 2^1200554460 is an apocalyptic number.

1200554460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200554460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2246162688).

1200554460 is an abundant number, since it is smaller than the sum of its proper divisors (3291770916).

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

1200554460 is a wasteful number, since it uses less digits than its factorization.

1200554460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654 (or 4643 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1200554460 is about 34649.0181679077. The cubic root of 1200554460 is about 1062.8222111122.

The spelling of 1200554460 in words is "one billion, two hundred million, five hundred fifty-four thousand, four hundred sixty".