1102291 has 6 divisors (see below), whose sum is σ = 1128500. Its totient is φ = 1076676.

The previous prime is 1102279. The next prime is 1102301. The reversal of 1102291 is 1922011.

It is not a de Polignac number, because 1102291 - 2⁵ = 1102259 is a prime.

It is a Duffinian number.

1102291 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1102201) 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, 1960 + ... + 2458.

2^1102291 is an apocalyptic number.

1102291 is a deficient number, since it is larger than the sum of its proper divisors (26209).

1102291 is an frugal number, since it uses more digits than its factorization.

1102291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1102291 is about 1049.9004714734. The cubic root of 1102291 is about 103.2996271150.

It can be divided in two parts, 110 and 2291, that added together give a 4-th power (2401 = 7⁴).

The spelling of 1102291 in words is "one million, one hundred two thousand, two hundred ninety-one".