1245426 has 32 divisors (see below), whose sum is σ = 3067008. Its totient is φ = 328320.

The previous prime is 1245421. The next prime is 1245449. The reversal of 1245426 is 6245421.

1245426 = 69² + 70² + ... + 159².

It is a d-powerful number, because it can be written as 1 + 2¹⁶ + 4⁸ + 5² + 4⁸ + 2²⁰ + 6³ .

It is a junction number, because it is equal to n+sod(n) for n = 1245396 and 1245405.

It is not an unprimeable number, because it can be changed into a prime (1245421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595 + ... + 1686.

It is an arithmetic number, because the mean of its divisors is an integer number (95844).

2^1245426 is an apocalyptic number.

1245426 is an abundant number, since it is smaller than the sum of its proper divisors (1821582).

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

1245426 is a wasteful number, since it uses less digits than its factorization.

1245426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306.

The product of its digits is 1920, while the sum is 24.

The square root of 1245426 is about 1115.9865590588. The cubic root of 1245426 is about 107.5901821218.

The spelling of 1245426 in words is "one million, two hundred forty-five thousand, four hundred twenty-six".