1245454 has 16 divisors (see below), whose sum is σ = 2261088. Its totient is φ = 502272.

The previous prime is 1245451. The next prime is 1245479. The reversal of 1245454 is 4545421.

It is a happy number.

It is a super-2 number, since 2×1245454² = 3102311332232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2379 + ... + 2854.

It is an arithmetic number, because the mean of its divisors is an integer number (141318).

2^1245454 is an apocalyptic number.

1245454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1245454 is a deficient number, since it is larger than the sum of its proper divisors (1015634).

1245454 is a wasteful number, since it uses less digits than its factorization.

1245454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259.

The product of its digits is 3200, while the sum is 25.

The square root of 1245454 is about 1115.9991039423. Note that the first 3 decimals coincide. The cubic root of 1245454 is about 107.5909884061.

The spelling of 1245454 in words is "one million, two hundred forty-five thousand, four hundred fifty-four".