1245350479 has 4 divisors (see below), whose sum is σ = 1299496176. Its totient is φ = 1191204784.

The previous prime is 1245350461. The next prime is 1245350531. The reversal of 1245350479 is 9740535421.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1245350479 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245350279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27072814 + ... + 27072859.

It is an arithmetic number, because the mean of its divisors is an integer number (324874044).

Almost surely, 2^1245350479 is an apocalyptic number.

1245350479 is a deficient number, since it is larger than the sum of its proper divisors (54145697).

1245350479 is an equidigital number, since it uses as much as digits as its factorization.

1245350479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54145696.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 1245350479 is about 35289.5236437105. The cubic root of 1245350479 is about 1075.8800736860.

The spelling of 1245350479 in words is "one billion, two hundred forty-five million, three hundred fifty thousand, four hundred seventy-nine".