1102388146 has 4 divisors (see below), whose sum is σ = 1653582222. Its totient is φ = 551194072.

The previous prime is 1102388143. The next prime is 1102388159. The reversal of 1102388146 is 6418832011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 706974921 + 395413225 = 26589^2 + 19885^2 .

It is not an unprimeable number, because it can be changed into a prime (1102388141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275597035 + ... + 275597038.

Almost surely, 2^1102388146 is an apocalyptic number.

1102388146 is a deficient number, since it is larger than the sum of its proper divisors (551194076).

1102388146 is an equidigital number, since it uses as much as digits as its factorization.

1102388146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551194075.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1102388146 is about 33202.2310394949. The cubic root of 1102388146 is about 1033.0266165879.

The spelling of 1102388146 in words is "one billion, one hundred two million, three hundred eighty-eight thousand, one hundred forty-six".