1270040 has 16 divisors (see below), whose sum is σ = 2857680. Its totient is φ = 508000.

The previous prime is 1270033. The next prime is 1270051. The reversal of 1270040 is 400721.

It is a happy number.

It is a super-2 number, since 2×1270040² = 3226003203200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1269997 and 1270024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15836 + ... + 15915.

It is an arithmetic number, because the mean of its divisors is an integer number (178605).

2^1270040 is an apocalyptic number.

1270040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1270040 is an abundant number, since it is smaller than the sum of its proper divisors (1587640).

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

1270040 is a wasteful number, since it uses less digits than its factorization.

1270040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31762 (or 31758 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 1270040 is about 1126.9605139489. The cubic root of 1270040 is about 108.2943502079.

Adding to 1270040 its reverse (400721), we get a palindrome (1670761).

The spelling of 1270040 in words is "one million, two hundred seventy thousand, forty".