1148903977 has 16 divisors (see below), whose sum is σ = 1246718592. Its totient is φ = 1052472960.

The previous prime is 1148903923. The next prime is 1148903999. The reversal of 1148903977 is 7793098411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1148903977 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 1148903977.

It is not an unprimeable number, because it can be changed into a prime (1148903677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1820452 + ... + 1821082.

It is an arithmetic number, because the mean of its divisors is an integer number (77919912).

Almost surely, 2^1148903977 is an apocalyptic number.

It is an amenable number.

1148903977 is a deficient number, since it is larger than the sum of its proper divisors (97814615).

1148903977 is a wasteful number, since it uses less digits than its factorization.

1148903977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 1148903977 is about 33895.4860859083. The cubic root of 1148903977 is about 1047.3566091604.

The spelling of 1148903977 in words is "one billion, one hundred forty-eight million, nine hundred three thousand, nine hundred seventy-seven".