1245254534 has 4 divisors (see below), whose sum is σ = 1867881804. Its totient is φ = 622627266.

The previous prime is 1245254497. The next prime is 1245254567. The reversal of 1245254534 is 4354525421.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1245254494 and 1245254503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311313632 + ... + 311313635.

It is an arithmetic number, because the mean of its divisors is an integer number (466970451).

Almost surely, 2^1245254534 is an apocalyptic number.

1245254534 is a deficient number, since it is larger than the sum of its proper divisors (622627270).

1245254534 is an equidigital number, since it uses as much as digits as its factorization.

1245254534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622627269.

The product of its digits is 96000, while the sum is 35.

The square root of 1245254534 is about 35288.1642197494. The cubic root of 1245254534 is about 1075.8524434549.

Adding to 1245254534 its reverse (4354525421), we get a palindrome (5599779955).

The spelling of 1245254534 in words is "one billion, two hundred forty-five million, two hundred fifty-four thousand, five hundred thirty-four".