1140100420 has 24 divisors (see below), whose sum is σ = 2396576448. Its totient is φ = 455589600.

The previous prime is 1140100411. The next prime is 1140100421. The reversal of 1140100420 is 240010411.

It is a self number, because there is not a number n which added to its sum of digits gives 1140100420.

It is not an unprimeable number, because it can be changed into a prime (1140100421) 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, 7026 + ... + 48265.

It is an arithmetic number, because the mean of its divisors is an integer number (99857352).

Almost surely, 2^1140100420 is an apocalyptic number.

1140100420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140100420 is an abundant number, since it is smaller than the sum of its proper divisors (1256476028).

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

1140100420 is a wasteful number, since it uses less digits than its factorization.

1140100420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56331 (or 56329 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1140100420 is about 33765.3730913787. The cubic root of 1140100420 is about 1044.6745993554.

Adding to 1140100420 its reverse (240010411), we get a palindrome (1380110831).

Subtracting from 1140100420 its reverse (240010411), we obtain a palindrome (900090009).

The spelling of 1140100420 in words is "one billion, one hundred forty million, one hundred thousand, four hundred twenty".