1261626 has 16 divisors (see below), whose sum is σ = 2591904. Its totient is φ = 409104.

The previous prime is 1261571. The next prime is 1261627. The reversal of 1261626 is 6261621.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1261596 and 1261605.

It is not an unprimeable number, because it can be changed into a prime (1261627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620 + ... + 3063.

It is an arithmetic number, because the mean of its divisors is an integer number (161994).

2^1261626 is an apocalyptic number.

1261626 is an abundant number, since it is smaller than the sum of its proper divisors (1330278).

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

1261626 is a wasteful number, since it uses less digits than its factorization.

1261626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725.

The product of its digits is 864, while the sum is 24.

The square root of 1261626 is about 1123.2212604825. The cubic root of 1261626 is about 108.0546705374.

The spelling of 1261626 in words is "one million, two hundred sixty-one thousand, six hundred twenty-six".