1146951427 has 16 divisors (see below), whose sum is σ = 1244976480. Its totient is φ = 1052416512.

The previous prime is 1146951413. The next prime is 1146951431. The reversal of 1146951427 is 7241596411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1146951427 - 2²³ = 1138562819 is a prime.

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 1146951427.

It is not an unprimeable number, because it can be changed into a prime (1146951457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517173 + ... + 519385.

It is an arithmetic number, because the mean of its divisors is an integer number (77811030).

Almost surely, 2^1146951427 is an apocalyptic number.

1146951427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1146951427 is a deficient number, since it is larger than the sum of its proper divisors (98025053).

1146951427 is a wasteful number, since it uses less digits than its factorization.

1146951427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982.

The product of its digits is 60480, while the sum is 40.

The square root of 1146951427 is about 33866.6713303803. The cubic root of 1146951427 is about 1046.7629489481.

The spelling of 1146951427 in words is "one billion, one hundred forty-six million, nine hundred fifty-one thousand, four hundred twenty-seven".