1202542102 has 16 divisors (see below), whose sum is σ = 1811042352. Its totient is φ = 598867200.

The previous prime is 1202542007. The next prime is 1202542153. The reversal of 1202542102 is 2012452021.

It is a super-2 number, since 2×1202542102² = 2892215014165156808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1202542102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675838 + ... + 677614.

It is an arithmetic number, because the mean of its divisors is an integer number (113190147).

Almost surely, 2^1202542102 is an apocalyptic number.

1202542102 is a deficient number, since it is larger than the sum of its proper divisors (608500250).

1202542102 is a wasteful number, since it uses less digits than its factorization.

1202542102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1202542102 is about 34677.6888214887. The cubic root of 1202542102 is about 1063.4084250605.

Adding to 1202542102 its reverse (2012452021), we get a palindrome (3214994123).

The spelling of 1202542102 in words is "one billion, two hundred two million, five hundred forty-two thousand, one hundred two".