1131042210 has 64 divisors (see below), whose sum is σ = 2770606080. Its totient is φ = 295439040.

The previous prime is 1131042197. The next prime is 1131042247. The reversal of 1131042210 is 122401311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1131042210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308649 + ... + 312291.

It is an arithmetic number, because the mean of its divisors is an integer number (43290720).

Almost surely, 2^1131042210 is an apocalyptic number.

1131042210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131042210 is an abundant number, since it is smaller than the sum of its proper divisors (1639563870).

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

1131042210 is a wasteful number, since it uses less digits than its factorization.

1131042210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1131042210 is about 33630.9709940109. The cubic root of 1131042210 is about 1041.9005588352.

Adding to 1131042210 its reverse (122401311), we get a palindrome (1253443521).

The spelling of 1131042210 in words is "one billion, one hundred thirty-one million, forty-two thousand, two hundred ten".