1202242051 has 4 divisors (see below), whose sum is σ = 1208536704. Its totient is φ = 1195947400.

The previous prime is 1202242033. The next prime is 1202242079. The reversal of 1202242051 is 1502422021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1502422021 = 43 ⋅34940047.

It is a cyclic number.

It is not a de Polignac number, because 1202242051 - 2⁷ = 1202241923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202242451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3147040 + ... + 3147421.

It is an arithmetic number, because the mean of its divisors is an integer number (302134176).

Almost surely, 2^1202242051 is an apocalyptic number.

1202242051 is a deficient number, since it is larger than the sum of its proper divisors (6294653).

1202242051 is an equidigital number, since it uses as much as digits as its factorization.

1202242051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294652.

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

The square root of 1202242051 is about 34673.3622684619. The cubic root of 1202242051 is about 1063.3199726333.

Adding to 1202242051 its reverse (1502422021), we get a palindrome (2704664072).

It can be divided in two parts, 1202 and 242051, that added together give a triangular number (243253 = T₆₉₇).

The spelling of 1202242051 in words is "one billion, two hundred two million, two hundred forty-two thousand, fifty-one".