1149628907 has 4 divisors (see below), whose sum is σ = 1313861616. Its totient is φ = 985396200.

The previous prime is 1149628903. The next prime is 1149628913. The reversal of 1149628907 is 7098269411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7098269411 = 103 ⋅68915237.

It is a cyclic number.

It is not a de Polignac number, because 1149628907 - 2² = 1149628903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1149628903) 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, 82116344 + ... + 82116357.

It is an arithmetic number, because the mean of its divisors is an integer number (328465404).

Almost surely, 2^1149628907 is an apocalyptic number.

1149628907 is a deficient number, since it is larger than the sum of its proper divisors (164232709).

1149628907 is an equidigital number, since it uses as much as digits as its factorization.

1149628907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164232708.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 1149628907 is about 33906.1780063752. The cubic root of 1149628907 is about 1047.5768482191.

The spelling of 1149628907 in words is "one billion, one hundred forty-nine million, six hundred twenty-eight thousand, nine hundred seven".