1204201140 has 48 divisors (see below), whose sum is σ = 3375274560. Its totient is φ = 320785920.

The previous prime is 1204201139. The next prime is 1204201157. The reversal of 1204201140 is 411024021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50595 + ... + 70485.

It is an arithmetic number, because the mean of its divisors is an integer number (70318220).

Almost surely, 2^1204201140 is an apocalyptic number.

1204201140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204201140 is an abundant number, since it is smaller than the sum of its proper divisors (2171073420).

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

1204201140 is a wasteful number, since it uses less digits than its factorization.

1204201140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20912 (or 20910 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1204201140 is about 34701.6014039698. The cubic root of 1204201140 is about 1063.8972296484.

Adding to 1204201140 its reverse (411024021), we get a palindrome (1615225161).

The spelling of 1204201140 in words is "one billion, two hundred four million, two hundred one thousand, one hundred forty".