1202130251 has 16 divisors (see below), whose sum is σ = 1414022400. Its totient is φ = 1000700448.

The previous prime is 1202130239. The next prime is 1202130257. The reversal of 1202130251 is 1520312021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1202130251 - 2¹⁴ = 1202113867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202130257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16745 + ... + 51813.

It is an arithmetic number, because the mean of its divisors is an integer number (88376400).

Almost surely, 2^1202130251 is an apocalyptic number.

1202130251 is a deficient number, since it is larger than the sum of its proper divisors (211892149).

1202130251 is an equidigital number, since it uses as much as digits as its factorization.

1202130251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35218.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1202130251 is about 34671.7500423616. The cubic root of 1202130251 is about 1063.2870112015.

Adding to 1202130251 its reverse (1520312021), we get a palindrome (2722442272).

The spelling of 1202130251 in words is "one billion, two hundred two million, one hundred thirty thousand, two hundred fifty-one".