1081264192 has 56 divisors (see below), whose sum is σ = 2276636544. Its totient is φ = 507758592.

The previous prime is 1081264189. The next prime is 1081264193. The reversal of 1081264192 is 2914621801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1081264193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790293 + ... + 791659.

It is an arithmetic number, because the mean of its divisors is an integer number (40654224).

Almost surely, 2^1081264192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081264192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138318272).

1081264192 is an abundant number, since it is smaller than the sum of its proper divisors (1195372352).

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

1081264192 is a wasteful number, since it uses less digits than its factorization.

1081264192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123 (or 2113 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1081264192 is about 32882.5818937625. The cubic root of 1081264192 is about 1026.3857337444.

Adding to 1081264192 its reverse (2914621801), we get a palindrome (3995885993).

The spelling of 1081264192 in words is "one billion, eighty-one million, two hundred sixty-four thousand, one hundred ninety-two".