1149425990 has 16 divisors (see below), whose sum is σ = 2079367200. Its totient is φ = 457459200.

The previous prime is 1149425987. The next prime is 1149426001. The reversal of 1149425990 is 995249411.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286811 + ... + 290790.

It is an arithmetic number, because the mean of its divisors is an integer number (129960450).

Almost surely, 2^1149425990 is an apocalyptic number.

1149425990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1149425990 is a deficient number, since it is larger than the sum of its proper divisors (929941210).

1149425990 is a wasteful number, since it uses less digits than its factorization.

1149425990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577807.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 1149425990 is about 33903.1855435444. The cubic root of 1149425990 is about 1047.5152098771.

The spelling of 1149425990 in words is "one billion, one hundred forty-nine million, four hundred twenty-five thousand, nine hundred ninety".