1202144100 has 36 divisors (see below), whose sum is σ = 3478204464. Its totient is φ = 320571680.

The previous prime is 1202144063. The next prime is 1202144173. The reversal of 1202144100 is 14412021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1202144100.

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, 2003274 + ... + 2003873.

Almost surely, 2^1202144100 is an apocalyptic number.

1202144100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202144100 is an abundant number, since it is smaller than the sum of its proper divisors (2276060364).

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

1202144100 is a wasteful number, since it uses less digits than its factorization.

1202144100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007164 (or 4007157 counting only the distinct ones).

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

The square root of 1202144100 is about 34671.9497576932. The cubic root of 1202144100 is about 1063.2910943434.

Adding to 1202144100 its reverse (14412021), we get a palindrome (1216556121).

The spelling of 1202144100 in words is "one billion, two hundred two million, one hundred forty-four thousand, one hundred".