1146863387 has 2 divisors, whose sum is σ = 1146863388. Its totient is φ = 1146863386.

The previous prime is 1146863381. The next prime is 1146863411. The reversal of 1146863387 is 7833686411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1146863387 - 2⁴ = 1146863371 is a prime.

It is a super-2 number, since 2×1146863387² = 2630591256882223538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1146863381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573431693 + 573431694.

It is an arithmetic number, because the mean of its divisors is an integer number (573431694).

Almost surely, 2^1146863387 is an apocalyptic number.

1146863387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146863387 is an equidigital number, since it uses as much as digits as its factorization.

1146863387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The square root of 1146863387 is about 33865.3715024655. The cubic root of 1146863387 is about 1046.7361650856.

The spelling of 1146863387 in words is "one billion, one hundred forty-six million, eight hundred sixty-three thousand, three hundred eighty-seven".