1146961577 has 2 divisors, whose sum is σ = 1146961578. Its totient is φ = 1146961576.

The previous prime is 1146961573. The next prime is 1146961583. The reversal of 1146961577 is 7751696411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 768620176 + 378341401 = 27724^2 + 19451^2 .

It is an emirp because it is prime and its reverse (7751696411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1146961577 - 2² = 1146961573 is a prime.

It is a super-3 number, since 3×1146961577³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1146961573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573480788 + 573480789.

It is an arithmetic number, because the mean of its divisors is an integer number (573480789).

Almost surely, 2^1146961577 is an apocalyptic number.

It is an amenable number.

1146961577 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146961577 is an equidigital number, since it uses as much as digits as its factorization.

1146961577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 47.

The square root of 1146961577 is about 33866.8211823903. The cubic root of 1146961577 is about 1046.7660367315.

The spelling of 1146961577 in words is "one billion, one hundred forty-six million, nine hundred sixty-one thousand, five hundred seventy-seven".