1270426 has 8 divisors (see below), whose sum is σ = 1952244. Its totient is φ = 619680.

The previous prime is 1270421. The next prime is 1270429. The reversal of 1270426 is 6240721.

It can be written as a sum of positive squares in 2 ways, for example, as 904401 + 366025 = 951^2 + 605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×1270426⁴ (a number of 26 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1270397 and 1270406.

It is not an unprimeable number, because it can be changed into a prime (1270421) 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, 7665 + ... + 7828.

2^1270426 is an apocalyptic number.

1270426 is a deficient number, since it is larger than the sum of its proper divisors (681818).

1270426 is a wasteful number, since it uses less digits than its factorization.

1270426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15536.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1270426 is about 1127.1317580478. The cubic root of 1270426 is about 108.3053203046.

The spelling of 1270426 in words is "one million, two hundred seventy thousand, four hundred twenty-six".