1081260407 has 4 divisors (see below), whose sum is σ = 1081543176. Its totient is φ = 1080977640.

The previous prime is 1081260391. The next prime is 1081260421. The reversal of 1081260407 is 7040621801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7040621801 = 1093 ⋅6441557.

It is a cyclic number.

It is not a de Polignac number, because 1081260407 - 2⁴ = 1081260391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081260407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081220407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135569 + ... + 143322.

It is an arithmetic number, because the mean of its divisors is an integer number (270385794).

Almost surely, 2^1081260407 is an apocalyptic number.

1081260407 is a deficient number, since it is larger than the sum of its proper divisors (282769).

1081260407 is an equidigital number, since it uses as much as digits as its factorization.

1081260407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282768.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1081260407 is about 32882.5243404456. The cubic root of 1081260407 is about 1026.3845361109.

The spelling of 1081260407 in words is "one billion, eighty-one million, two hundred sixty thousand, four hundred seven".