1008149199 has 16 divisors (see below), whose sum is σ = 1388338272. Its totient is φ = 650377728.

The previous prime is 1008149173. The next prime is 1008149231. The reversal of 1008149199 is 9919418001.

It is a happy number.

It is not a de Polignac number, because 1008149199 - 2⁵ = 1008149167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1008149199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008149299) 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, 31822 + ... + 55035.

It is an arithmetic number, because the mean of its divisors is an integer number (86771142).

Almost surely, 2^1008149199 is an apocalyptic number.

1008149199 is a deficient number, since it is larger than the sum of its proper divisors (380189073).

1008149199 is an equidigital number, since it uses as much as digits as its factorization.

1008149199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86986.

The product of its (nonzero) digits is 23328, while the sum is 42.

The square root of 1008149199 is about 31751.3653092273. The cubic root of 1008149199 is about 1002.7090540655.

The spelling of 1008149199 in words is "one billion, eight million, one hundred forty-nine thousand, one hundred ninety-nine".