1102489690 has 32 divisors (see below), whose sum is σ = 2028970944. Its totient is φ = 431207040.

The previous prime is 1102489637. The next prime is 1102489693. The reversal of 1102489690 is 969842011.

It is a super-2 number, since 2×1102489690² = 2430967033112592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1102489693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85785 + ... + 97795.

It is an arithmetic number, because the mean of its divisors is an integer number (63405342).

Almost surely, 2^1102489690 is an apocalyptic number.

1102489690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1102489690 is a deficient number, since it is larger than the sum of its proper divisors (926481254).

1102489690 is a wasteful number, since it uses less digits than its factorization.

1102489690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1102489690 is about 33203.7601786304. The cubic root of 1102489690 is about 1033.0583339204.

The spelling of 1102489690 in words is "one billion, one hundred two million, four hundred eighty-nine thousand, six hundred ninety".