1202011092 has 18 divisors (see below), whose sum is σ = 3038417018. Its totient is φ = 400670352.

The previous prime is 1202011091. The next prime is 1202011147. The reversal of 1202011092 is 2901102021.

It can be written as a sum of positive squares in only one way, i.e., 1117297476 + 84713616 = 33426^2 + 9204^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202011091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16694563 + ... + 16694634.

Almost surely, 2^1202011092 is an apocalyptic number.

1202011092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202011092 is an abundant number, since it is smaller than the sum of its proper divisors (1836405926).

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

1202011092 is a wasteful number, since it uses less digits than its factorization.

1202011092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33389207 (or 33389202 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1202011092 is about 34670.0316123306. The cubic root of 1202011092 is about 1063.2518779028.

The spelling of 1202011092 in words is "one billion, two hundred two million, eleven thousand, ninety-two".