1146995951 has 4 divisors (see below), whose sum is σ = 1174971504. Its totient is φ = 1119020400.

The previous prime is 1146995923. The next prime is 1146995953. The reversal of 1146995951 is 1595996411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1146995951 - 2¹⁴ = 1146979567 is a prime.

It is a super-2 number, since 2×1146995951² = 2631199423220788802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1146995951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146995953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13987715 + ... + 13987796.

It is an arithmetic number, because the mean of its divisors is an integer number (293742876).

Almost surely, 2^1146995951 is an apocalyptic number.

1146995951 is a deficient number, since it is larger than the sum of its proper divisors (27975553).

1146995951 is an equidigital number, since it uses as much as digits as its factorization.

1146995951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27975552.

The product of its digits is 437400, while the sum is 50.

The square root of 1146995951 is about 33867.3286664301. The cubic root of 1146995951 is about 1046.7764936864.

The spelling of 1146995951 in words is "one billion, one hundred forty-six million, nine hundred ninety-five thousand, nine hundred fifty-one".