1002113554 has 24 divisors (see below), whose sum is σ = 1667416212. Its totient is φ = 451226880.

The previous prime is 1002113549. The next prime is 1002113557. The reversal of 1002113554 is 4553112001.

It is a happy number.

1002113554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 142157929 + 859955625 = 11923^2 + 29325^2 .

It is a super-2 number, since 2×1002113554² = 2008463150221021832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002113557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22299 + ... + 50014.

Almost surely, 2^1002113554 is an apocalyptic number.

1002113554 is a deficient number, since it is larger than the sum of its proper divisors (665302658).

1002113554 is a wasteful number, since it uses less digits than its factorization.

1002113554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72382 (or 72369 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1002113554 is about 31656.1771855036. The cubic root of 1002113554 is about 1000.7040222364.

Adding to 1002113554 its reverse (4553112001), we get a palindrome (5555225555).

The spelling of 1002113554 in words is "one billion, two million, one hundred thirteen thousand, five hundred fifty-four".