1267020 has 36 divisors (see below), whose sum is σ = 3843840. Its totient is φ = 337824.

The previous prime is 1267009. The next prime is 1267043. The reversal of 1267020 is 207621.

It is a happy number.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 1266984 and 1267002.

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, 3340 + ... + 3699.

2^1267020 is an apocalyptic number.

1267020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1267020 is an abundant number, since it is smaller than the sum of its proper divisors (2576820).

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

1267020 is a wasteful number, since it uses less digits than its factorization.

1267020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7054 (or 7049 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1267020 is about 1125.6198292496. The cubic root of 1267020 is about 108.2084451686.

The spelling of 1267020 in words is "one million, two hundred sixty-seven thousand, twenty".