1102040 has 16 divisors (see below), whose sum is σ = 2479680. Its totient is φ = 440800.

The previous prime is 1102027. The next prime is 1102063. The reversal of 1102040 is 402011.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13736 + ... + 13815.

It is an arithmetic number, because the mean of its divisors is an integer number (154980).

2^1102040 is an apocalyptic number.

1102040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102040 is an abundant number, since it is smaller than the sum of its proper divisors (1377640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1102040 is a wasteful number, since it uses less digits than its factorization.

1102040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27562 (or 27558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1102040 is about 1049.7809295277. The cubic root of 1102040 is about 103.2917858176.

Adding to 1102040 its reverse (402011), we get a palindrome (1504051).

The spelling of 1102040 in words is "one million, one hundred two thousand, forty".