1202132137 has 2 divisors, whose sum is σ = 1202132138. Its totient is φ = 1202132136.

The previous prime is 1202132069. The next prime is 1202132159. The reversal of 1202132137 is 7312312021.

It is a happy number.

It is an a-pointer prime, because the next prime (1202132159) can be obtained adding 1202132137 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1119303936 + 82828201 = 33456^2 + 9101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202132137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202102137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601066068 + 601066069.

It is an arithmetic number, because the mean of its divisors is an integer number (601066069).

Almost surely, 2^1202132137 is an apocalyptic number.

It is an amenable number.

1202132137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202132137 is an equidigital number, since it uses as much as digits as its factorization.

1202132137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1202132137 is about 34671.7772402858. Note that the first 3 decimals coincide. The cubic root of 1202132137 is about 1063.2875672584.

Adding to 1202132137 its reverse (7312312021), we get a palindrome (8514444158).

The spelling of 1202132137 in words is "one billion, two hundred two million, one hundred thirty-two thousand, one hundred thirty-seven".