1081286045 has 32 divisors (see below), whose sum is σ = 1533935616. Its totient is φ = 716040000.

The previous prime is 1081286027. The next prime is 1081286047. The reversal of 1081286045 is 5406821801.

It is not a de Polignac number, because 1081286045 - 2²⁰ = 1080237469 is a prime.

It is a super-2 number, since 2×1081286045² = 2338359022223484050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1081285996 and 1081286014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081286047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 814172 + ... + 815498.

It is an arithmetic number, because the mean of its divisors is an integer number (47935488).

Almost surely, 2^1081286045 is an apocalyptic number.

It is an amenable number.

1081286045 is a deficient number, since it is larger than the sum of its proper divisors (452649571).

1081286045 is a wasteful number, since it uses less digits than its factorization.

1081286045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 1081286045 is about 32882.9141804676. The cubic root of 1081286045 is about 1026.3926483223.

The spelling of 1081286045 in words is "one billion, eighty-one million, two hundred eighty-six thousand, forty-five".