1202515381 has 2 divisors, whose sum is σ = 1202515382. Its totient is φ = 1202515380.

The previous prime is 1202515373. The next prime is 1202515471. The reversal of 1202515381 is 1835152021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1054041156 + 148474225 = 32466^2 + 12185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202515381 - 2³ = 1202515373 is a prime.

It is a super-2 number, since 2×1202515381² = 2892086483083150322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202515331) 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, 601257690 + 601257691.

It is an arithmetic number, because the mean of its divisors is an integer number (601257691).

Almost surely, 2^1202515381 is an apocalyptic number.

It is an amenable number.

1202515381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202515381 is an equidigital number, since it uses as much as digits as its factorization.

1202515381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1202515381 is about 34677.3035428074. The cubic root of 1202515381 is about 1063.4005485387.

The spelling of 1202515381 in words is "one billion, two hundred two million, five hundred fifteen thousand, three hundred eighty-one".