540012100 has 18 divisors (see below), whose sum is σ = 1171826474. Its totient is φ = 216004800.

The previous prime is 540012097. The next prime is 540012119. The reversal of 540012100 is 1210045.

It can be written as a sum of positive squares in 3 ways, for example, as 47527236 + 492484864 = 6894^2 + 22192^2 .

It is a super-2 number, since 2×540012100² = 583226136292820000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2699961 + ... + 2700160.

Almost surely, 2^540012100 is an apocalyptic number.

540012100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

540012100 is an abundant number, since it is smaller than the sum of its proper divisors (631814374).

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

540012100 is a wasteful number, since it uses less digits than its factorization.

540012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400135 (or 5400128 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 540012100 is about 23238.1604263332. The cubic root of 540012100 is about 814.3313672392.

Adding to 540012100 its reverse (1210045), we get a palindrome (541222145).

The spelling of 540012100 in words is "five hundred forty million, twelve thousand, one hundred".