1201233400 has 48 divisors (see below), whose sum is σ = 2820567240. Its totient is φ = 475728000.

The previous prime is 1201233391. The next prime is 1201233421. The reversal of 1201233400 is 43321021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9534 + ... + 49933.

Almost surely, 2^1201233400 is an apocalyptic number.

1201233400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201233400 is an abundant number, since it is smaller than the sum of its proper divisors (1619333840).

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

1201233400 is a wasteful number, since it uses less digits than its factorization.

1201233400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59584 (or 59575 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1201233400 is about 34658.8141747521. The cubic root of 1201233400 is about 1063.0225231495.

Adding to 1201233400 its reverse (43321021), we get a palindrome (1244554421).

The spelling of 1201233400 in words is "one billion, two hundred one million, two hundred thirty-three thousand, four hundred".