1122993 has 6 divisors (see below), whose sum is σ = 1622114. Its totient is φ = 748656.

The previous prime is 1122983. The next prime is 1122997. The reversal of 1122993 is 3992211.

It can be written as a sum of positive squares in only one way, i.e., 1016064 + 106929 = 1008^2 + 327^2 .

It is not a de Polignac number, because 1122993 - 2⁹ = 1122481 is a prime.

It is a super-2 number, since 2×1122993² = 2522226556098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62380 + ... + 62397.

2^1122993 is an apocalyptic number.

It is an amenable number.

1122993 is a deficient number, since it is larger than the sum of its proper divisors (499121).

1122993 is a wasteful number, since it uses less digits than its factorization.

1122993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124783 (or 124780 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 1122993 is about 1059.7136405652. The cubic root of 1122993 is about 103.9423065116.

The spelling of 1122993 in words is "one million, one hundred twenty-two thousand, nine hundred ninety-three".