1270404 has 36 divisors (see below), whose sum is σ = 3332784. Its totient is φ = 423144.

The previous prime is 1270391. The next prime is 1270417. The reversal of 1270404 is 4040721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1270391) and next prime (1270417).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1270404² = 3227852646432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319 + ... + 1625.

2^1270404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666392).

1270404 is an abundant number, since it is smaller than the sum of its proper divisors (2062380).

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

1270404 is a wasteful number, since it uses less digits than its factorization.

1270404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1270404 is about 1127.1219987206. The cubic root of 1270404 is about 108.3046951257.

The spelling of 1270404 in words is "one million, two hundred seventy thousand, four hundred four".