1202550551 has 2 divisors, whose sum is σ = 1202550552. Its totient is φ = 1202550550.

The previous prime is 1202550533. The next prime is 1202550581. The reversal of 1202550551 is 1550552021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202550551 - 2¹⁰ = 1202549527 is a prime.

It is a super-2 number, since 2×1202550551² = 2892255655420807202, 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 1202550551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202550521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601275275 + 601275276.

It is an arithmetic number, because the mean of its divisors is an integer number (601275276).

Almost surely, 2^1202550551 is an apocalyptic number.

1202550551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202550551 is an equidigital number, since it uses as much as digits as its factorization.

1202550551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 1202550551 is about 34677.8106431187. The cubic root of 1202550551 is about 1063.4109155393.

The spelling of 1202550551 in words is "one billion, two hundred two million, five hundred fifty thousand, five hundred fifty-one".