1081265910 has 16 divisors (see below), whose sum is σ = 2595038256. Its totient is φ = 288337568.

The previous prime is 1081265897. The next prime is 1081265921. The reversal of 1081265910 is 195621801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18021069 + ... + 18021128.

It is an arithmetic number, because the mean of its divisors is an integer number (162189891).

Almost surely, 2^1081265910 is an apocalyptic number.

1081265910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1081265910 is an abundant number, since it is smaller than the sum of its proper divisors (1513772346).

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

1081265910 is a wasteful number, since it uses less digits than its factorization.

1081265910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36042207.

The product of its (nonzero) digits is 4320, while the sum is 33.

The square root of 1081265910 is about 32882.6080170050. The cubic root of 1081265910 is about 1026.3862773457.

The spelling of 1081265910 in words is "one billion, eighty-one million, two hundred sixty-five thousand, nine hundred ten".