1102797 has 6 divisors (see below), whose sum is σ = 1592942. Its totient is φ = 735192.

The previous prime is 1102757. The next prime is 1102813. The reversal of 1102797 is 7972011.

It can be written as a sum of positive squares in only one way, i.e., 820836 + 281961 = 906^2 + 531^2 .

It is not a de Polignac number, because 1102797 - 2⁶ = 1102733 is a prime.

It is a super-2 number, since 2×1102797² = 2432322446418, which contains 22 as substring.

It is a Duffinian number.

1102797 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102727) 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 5 ways as a sum of consecutive naturals, for example, 61258 + ... + 61275.

2^1102797 is an apocalyptic number.

It is an amenable number.

1102797 is a deficient number, since it is larger than the sum of its proper divisors (490145).

1102797 is a wasteful number, since it uses less digits than its factorization.

1102797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122539 (or 122536 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 1102797 is about 1050.1414190479. The cubic root of 1102797 is about 103.3154310529.

The spelling of 1102797 in words is "one million, one hundred two thousand, seven hundred ninety-seven".