1270628 has 12 divisors (see below), whose sum is σ = 2295552. Its totient is φ = 614760.

The previous prime is 1270627. The next prime is 1270639. The reversal of 1270628 is 8260721.

It is a super-2 number, since 2×1270628² = 3228991028768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1270597 and 1270606.

It is not an unprimeable number, because it can be changed into a prime (1270627) 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, 5000 + ... + 5247.

It is an arithmetic number, because the mean of its divisors is an integer number (191296).

2^1270628 is an apocalyptic number.

It is an amenable number.

1270628 is a deficient number, since it is larger than the sum of its proper divisors (1024924).

1270628 is a wasteful number, since it uses less digits than its factorization.

1270628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10282 (or 10280 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1270628 is about 1127.2213624661. The cubic root of 1270628 is about 108.3110602468.

The spelling of 1270628 in words is "one million, two hundred seventy thousand, six hundred twenty-eight".