1150973381 has 2 divisors, whose sum is σ = 1150973382. Its totient is φ = 1150973380.

The previous prime is 1150973377. The next prime is 1150973399. The reversal of 1150973381 is 1833790511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1013849281 + 137124100 = 31841^2 + 11710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150973381 - 2² = 1150973377 is a prime.

It is a super-2 number, since 2×1150973381² = 2649479447541142322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150973371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575486690 + 575486691.

It is an arithmetic number, because the mean of its divisors is an integer number (575486691).

Almost surely, 2^1150973381 is an apocalyptic number.

It is an amenable number.

1150973381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150973381 is an equidigital number, since it uses as much as digits as its factorization.

1150973381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1150973381 is about 33925.9985998939. The cubic root of 1150973381 is about 1047.9850643352.

The spelling of 1150973381 in words is "one billion, one hundred fifty million, nine hundred seventy-three thousand, three hundred eighty-one".