1109974390 has 32 divisors (see below), whose sum is σ = 2285236800. Its totient is φ = 380252544.

The previous prime is 1109974381. The next prime is 1109974409. The reversal of 1109974390 is 934799011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90336 + ... + 101884.

It is an arithmetic number, because the mean of its divisors is an integer number (71413650).

Almost surely, 2^1109974390 is an apocalyptic number.

1109974390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1109974390 is an abundant number, since it is smaller than the sum of its proper divisors (1175262410).

1109974390 is a wasteful number, since it uses less digits than its factorization.

1109974390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12936.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1109974390 is about 33316.2781534793. The cubic root of 1109974390 is about 1035.3908424552.

The spelling of 1109974390 in words is "one billion, one hundred nine million, nine hundred seventy-four thousand, three hundred ninety".