1054732890 has 16 divisors (see below), whose sum is σ = 2531359008. Its totient is φ = 281262096.

The previous prime is 1054732849. The next prime is 1054732891. The reversal of 1054732890 is 982374501.

1054732890 = 14522² + 14523² + ... + 14526².

It is a super-2 number, since 2×1054732890² = 2224922938495504200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054732891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17578852 + ... + 17578911.

It is an arithmetic number, because the mean of its divisors is an integer number (158209938).

Almost surely, 2^1054732890 is an apocalyptic number.

1054732890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1054732890 is an abundant number, since it is smaller than the sum of its proper divisors (1476626118).

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

1054732890 is a wasteful number, since it uses less digits than its factorization.

1054732890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35157773.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1054732890 is about 32476.6514591637. The cubic root of 1054732890 is about 1017.9212083740.

The spelling of 1054732890 in words is "one billion, fifty-four million, seven hundred thirty-two thousand, eight hundred ninety".