1245606374 has 4 divisors (see below), whose sum is σ = 1868409564. Its totient is φ = 622803186.

The previous prime is 1245606317. The next prime is 1245606379. The reversal of 1245606374 is 4736065421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4736065421 = 2141 ⋅2212081.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245606379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311401592 + ... + 311401595.

It is an arithmetic number, because the mean of its divisors is an integer number (467102391).

Almost surely, 2^1245606374 is an apocalyptic number.

1245606374 is a deficient number, since it is larger than the sum of its proper divisors (622803190).

1245606374 is an equidigital number, since it uses as much as digits as its factorization.

1245606374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622803189.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 1245606374 is about 35293.1491085735. The cubic root of 1245606374 is about 1075.9537593622.

The spelling of 1245606374 in words is "one billion, two hundred forty-five million, six hundred six thousand, three hundred seventy-four".