1202542115 has 4 divisors (see below), whose sum is σ = 1443050544. Its totient is φ = 962033688.

The previous prime is 1202542007. The next prime is 1202542153. The reversal of 1202542115 is 5112452021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5112452021 = 29 ⋅176291449.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202542115 is a prime.

It is a super-2 number, since 2×1202542115² = 2892215076697346450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120254207 + ... + 120254216.

It is an arithmetic number, because the mean of its divisors is an integer number (360762636).

Almost surely, 2^1202542115 is an apocalyptic number.

1202542115 is a deficient number, since it is larger than the sum of its proper divisors (240508429).

1202542115 is an equidigital number, since it uses as much as digits as its factorization.

1202542115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240508428.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1202542115 is about 34677.6890089291. The cubic root of 1202542115 is about 1063.4084288924.

Adding to 1202542115 its reverse (5112452021), we get a palindrome (6314994136).

The spelling of 1202542115 in words is "one billion, two hundred two million, five hundred forty-two thousand, one hundred fifteen".