1051404 has 24 divisors (see below), whose sum is σ = 2514288. Its totient is φ = 341760.

The previous prime is 1051397. The next prime is 1051409. The reversal of 1051404 is 4041501.

It is a super-2 number, since 2×1051404² = 2210900742432, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 577 + ... + 1560.

It is an arithmetic number, because the mean of its divisors is an integer number (104762).

2^1051404 is an apocalyptic number.

It is an amenable number.

1051404 is an abundant number, since it is smaller than the sum of its proper divisors (1462884).

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

1051404 is a wasteful number, since it uses less digits than its factorization.

1051404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1051404 is about 1025.3799295871. The cubic root of 1051404 is about 101.6849177422.

Adding to 1051404 its reverse (4041501), we get a palindrome (5092905).

The spelling of 1051404 in words is "one million, fifty-one thousand, four hundred four".