1202233157 has 2 divisors, whose sum is σ = 1202233158. Its totient is φ = 1202233156.

The previous prime is 1202233121. The next prime is 1202233169. The reversal of 1202233157 is 7513322021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199513956 + 2719201 = 34634^2 + 1649^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202233157 - 2⁸ = 1202232901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202233117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601116578 + 601116579.

It is an arithmetic number, because the mean of its divisors is an integer number (601116579).

Almost surely, 2^1202233157 is an apocalyptic number.

It is an amenable number.

1202233157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202233157 is an equidigital number, since it uses as much as digits as its factorization.

1202233157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1202233157 is about 34673.2340141499. The cubic root of 1202233157 is about 1063.3173505348.

Adding to 1202233157 its reverse (7513322021), we get a palindrome (8715555178).

The spelling of 1202233157 in words is "one billion, two hundred two million, two hundred thirty-three thousand, one hundred fifty-seven".