1320101140 has 48 divisors (see below), whose sum is σ = 2798070912. Its totient is φ = 523138176.

The previous prime is 1320101131. The next prime is 1320101147. The reversal of 1320101140 is 411010231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320101140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320101147) 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, 1815457 + ... + 1816183.

It is an arithmetic number, because the mean of its divisors is an integer number (58293144).

Almost surely, 2^1320101140 is an apocalyptic number.

1320101140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320101140 is an abundant number, since it is smaller than the sum of its proper divisors (1477969772).

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

1320101140 is a wasteful number, since it uses less digits than its factorization.

1320101140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1320101140 is about 36333.1961159488. The cubic root of 1320101140 is about 1096.9893266061.

Adding to 1320101140 its reverse (411010231), we get a palindrome (1731111371).

Subtracting from 1320101140 its reverse (411010231), we obtain a palindrome (909090909).

The spelling of 1320101140 in words is "one billion, three hundred twenty million, one hundred one thousand, one hundred forty".