1149021464 has 16 divisors (see below), whose sum is σ = 2155261920. Its totient is φ = 574284960.

The previous prime is 1149021463. The next prime is 1149021493. The reversal of 1149021464 is 4641209411.

It is a self number, because there is not a number n which added to its sum of digits gives 1149021464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149021463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5519 + ... + 48254.

It is an arithmetic number, because the mean of its divisors is an integer number (134703870).

Almost surely, 2^1149021464 is an apocalyptic number.

It is an amenable number.

1149021464 is a deficient number, since it is larger than the sum of its proper divisors (1006240456).

1149021464 is a wasteful number, since it uses less digits than its factorization.

1149021464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56450 (or 56446 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1149021464 is about 33897.2191189779. The cubic root of 1149021464 is about 1047.3923088633.

The spelling of 1149021464 in words is "one billion, one hundred forty-nine million, twenty-one thousand, four hundred sixty-four".