1149326890 has 8 divisors (see below), whose sum is σ = 2068788420. Its totient is φ = 459730752.

The previous prime is 1149326887. The next prime is 1149326897. The reversal of 1149326890 is 986239411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1147244641 + 2082249 = 33871^2 + 1443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1149326897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57466335 + ... + 57466354.

Almost surely, 2^1149326890 is an apocalyptic number.

1149326890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1149326890 is a deficient number, since it is larger than the sum of its proper divisors (919461530).

1149326890 is a wasteful number, since it uses less digits than its factorization.

1149326890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114932696.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 1149326890 is about 33901.7239974607. The cubic root of 1149326890 is about 1047.4851044906.

It can be divided in two parts, 11493 and 26890, that added together give a palindrome (38383).

The spelling of 1149326890 in words is "one billion, one hundred forty-nine million, three hundred twenty-six thousand, eight hundred ninety".