1051407 has 16 divisors (see below), whose sum is σ = 1780480. Its totient is φ = 600696.

The previous prime is 1051397. The next prime is 1051409. The reversal of 1051407 is 7041501.

1051407 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 1051407 - 2⁸ = 1051151 is a prime.

It is a super-2 number, since 2×1051407² = 2210913359298, which contains 22 as substring.

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 1051407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051409) 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, 2593 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (111280).

2^1051407 is an apocalyptic number.

1051407 is a deficient number, since it is larger than the sum of its proper divisors (729073).

1051407 is an equidigital number, since it uses as much as digits as its factorization.

1051407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579 (or 5573 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1051407 is about 1025.3813924584. The cubic root of 1051407 is about 101.6850144556.

Adding to 1051407 its reverse (7041501), we get a palindrome (8092908).

The spelling of 1051407 in words is "one million, fifty-one thousand, four hundred seven".