1148340051 has 16 divisors (see below), whose sum is σ = 1712517120. Its totient is φ = 760487400.

The previous prime is 1148340043. The next prime is 1148340073. The reversal of 1148340051 is 1500438411.

It is a happy number.

It is not a de Polignac number, because 1148340051 - 2³ = 1148340043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1148339997 and 1148340024.

It is not an unprimeable number, because it can be changed into a prime (1148340041) 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, 136755 + ... + 144908.

It is an arithmetic number, because the mean of its divisors is an integer number (107032320).

Almost surely, 2^1148340051 is an apocalyptic number.

1148340051 is a deficient number, since it is larger than the sum of its proper divisors (564177069).

1148340051 is a wasteful number, since it uses less digits than its factorization.

1148340051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281823 (or 281817 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1148340051 is about 33887.1664646072. The cubic root of 1148340051 is about 1047.1852202262.

Adding to 1148340051 its reverse (1500438411), we get a palindrome (2648778462).

The spelling of 1148340051 in words is "one billion, one hundred forty-eight million, three hundred forty thousand, fifty-one".