1202055051 has 4 divisors (see below), whose sum is σ = 1602740072. Its totient is φ = 801370032.

The previous prime is 1202055031. The next prime is 1202055079. The reversal of 1202055051 is 1505502021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1202055051 - 2¹⁹ = 1201530763 is a prime.

It is a super-2 number, since 2×1202055051² = 2889872691269225202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202055031) 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, 200342506 + ... + 200342511.

It is an arithmetic number, because the mean of its divisors is an integer number (400685018).

Almost surely, 2^1202055051 is an apocalyptic number.

1202055051 is a deficient number, since it is larger than the sum of its proper divisors (400685021).

1202055051 is an equidigital number, since it uses as much as digits as its factorization.

1202055051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400685020.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1202055051 is about 34670.6655690369. The cubic root of 1202055051 is about 1063.2648392140.

Adding to 1202055051 its reverse (1505502021), we get a palindrome (2707557072).

The spelling of 1202055051 in words is "one billion, two hundred two million, fifty-five thousand, fifty-one".