1202140992 has 224 divisors, whose sum is σ = 3720657024. Its totient is φ = 339148800.

The previous prime is 1202140991. The next prime is 1202141021. The reversal of 1202140992 is 2990412021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202140991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1739367 + ... + 1740057.

It is an arithmetic number, because the mean of its divisors is an integer number (16610076).

Almost surely, 2^1202140992 is an apocalyptic number.

1202140992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202140992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1860328512).

1202140992 is an abundant number, since it is smaller than the sum of its proper divisors (2518516032).

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

1202140992 is a wasteful number, since it uses less digits than its factorization.

1202140992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1202140992 is about 34671.9049375716. The cubic root of 1202140992 is about 1063.2901780053.

The spelling of 1202140992 in words is "one billion, two hundred two million, one hundred forty thousand, nine hundred ninety-two".