1202153142 has 32 divisors (see below), whose sum is σ = 2532499200. Its totient is φ = 379379808.

The previous prime is 1202153119. The next prime is 1202153179. The reversal of 1202153142 is 2413512021.

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, 260943 + ... + 265509.

It is an arithmetic number, because the mean of its divisors is an integer number (79140600).

Almost surely, 2^1202153142 is an apocalyptic number.

1202153142 is an abundant number, since it is smaller than the sum of its proper divisors (1330346058).

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

1202153142 is a wasteful number, since it uses less digits than its factorization.

1202153142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6900.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1202153142 is about 34672.0801510380. The cubic root of 1202153142 is about 1063.2937602063.

Adding to 1202153142 its reverse (2413512021), we get a palindrome (3615665163).

The spelling of 1202153142 in words is "one billion, two hundred two million, one hundred fifty-three thousand, one hundred forty-two".