1149954190 has 32 divisors (see below), whose sum is σ = 2580678144. Its totient is φ = 358427040.

The previous prime is 1149954167. The next prime is 1149954209. The reversal of 1149954190 is 914599411.

It is a super-2 number, since 2×1149954190² = 2644789278197112200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745954 + ... + 747493.

It is an arithmetic number, because the mean of its divisors is an integer number (80646192).

Almost surely, 2^1149954190 is an apocalyptic number.

1149954190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1149954190 is an abundant number, since it is smaller than the sum of its proper divisors (1430723954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1149954190 is a wasteful number, since it uses less digits than its factorization.

1149954190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493472.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 1149954190 is about 33910.9744772986. The cubic root of 1149954190 is about 1047.6756414917.

The spelling of 1149954190 in words is "one billion, one hundred forty-nine million, nine hundred fifty-four thousand, one hundred ninety".