1124990 has 32 divisors (see below), whose sum is σ = 2211840. Its totient is φ = 410400.

The previous prime is 1124987. The next prime is 1124993. The reversal of 1124990 is 994211.

It is an interprime number because it is at equal distance from previous prime (1124987) and next prime (1124993).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124993) 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 15 ways as a sum of consecutive naturals, for example, 5795 + ... + 5985.

It is an arithmetic number, because the mean of its divisors is an integer number (69120).

2^1124990 is an apocalyptic number.

1124990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1124990 is a deficient number, since it is larger than the sum of its proper divisors (1086850).

1124990 is a wasteful number, since it uses less digits than its factorization.

1124990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1124990 is about 1060.6554577241. The cubic root of 1124990 is about 104.0038829911.

The spelling of 1124990 in words is "one million, one hundred twenty-four thousand, nine hundred ninety".