1054478980 has 48 divisors (see below), whose sum is σ = 2242356480. Its totient is φ = 416492928.

The previous prime is 1054478977. The next prime is 1054478983. The reversal of 1054478980 is 898744501.

It is an interprime number because it is at equal distance from previous prime (1054478977) and next prime (1054478983).

It is a super-2 number, since 2×1054478980² = 2223851838523680800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054478980.

It is not an unprimeable number, because it can be changed into a prime (1054478983) 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, 1146961 + ... + 1147879.

It is an arithmetic number, because the mean of its divisors is an integer number (46715760).

Almost surely, 2^1054478980 is an apocalyptic number.

1054478980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054478980 is an abundant number, since it is smaller than the sum of its proper divisors (1187877500).

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

1054478980 is a wasteful number, since it uses less digits than its factorization.

1054478980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 1054478980 is about 32472.7421078048. The cubic root of 1054478980 is about 1017.8395190922.

The spelling of 1054478980 in words is "one billion, fifty-four million, four hundred seventy-eight thousand, nine hundred eighty".