1202102131 has 2 divisors, whose sum is σ = 1202102132. Its totient is φ = 1202102130.

The previous prime is 1202102129. The next prime is 1202102137. The reversal of 1202102131 is 1312012021.

It is a weak prime.

It is an emirp because it is prime and its reverse (1312012021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202102131 - 2¹ = 1202102129 is a prime.

It is a super-2 number, since 2×1202102131² = 2890099066709482322, which contains 22 as substring.

Together with 1202102129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1202102137) 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, 601051065 + 601051066.

It is an arithmetic number, because the mean of its divisors is an integer number (601051066).

Almost surely, 2^1202102131 is an apocalyptic number.

1202102131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202102131 is an equidigital number, since it uses as much as digits as its factorization.

1202102131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1202102131 is about 34671.3445225304. The cubic root of 1202102131 is about 1063.2787204017.

Adding to 1202102131 its reverse (1312012021), we get a palindrome (2514114152).

The spelling of 1202102131 in words is "one billion, two hundred two million, one hundred two thousand, one hundred thirty-one".