1081407 has 16 divisors (see below), whose sum is σ = 1507968. Its totient is φ = 688800.

The previous prime is 1081403. The next prime is 1081417. The reversal of 1081407 is 7041801.

It is not a de Polignac number, because 1081407 - 2² = 1081403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10657 + ... + 10757.

It is an arithmetic number, because the mean of its divisors is an integer number (94248).

2^1081407 is an apocalyptic number.

1081407 is a deficient number, since it is larger than the sum of its proper divisors (426561).

1081407 is a wasteful number, since it uses less digits than its factorization.

1081407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1081407 is about 1039.9072073988. The cubic root of 1081407 is about 102.6430918397.

The spelling of 1081407 in words is "one million, eighty-one thousand, four hundred seven".