1245707234 has 8 divisors (see below), whose sum is σ = 1892213760. Its totient is φ = 614969316.

The previous prime is 1245707233. The next prime is 1245707293. The reversal of 1245707234 is 4327075421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1245707194 and 1245707203.

It is not an unprimeable number, because it can be changed into a prime (1245707233) 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, 3941954 + ... + 3942269.

It is an arithmetic number, because the mean of its divisors is an integer number (236526720).

Almost surely, 2^1245707234 is an apocalyptic number.

1245707234 is a deficient number, since it is larger than the sum of its proper divisors (646506526).

1245707234 is an equidigital number, since it uses as much as digits as its factorization.

1245707234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884304.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 1245707234 is about 35294.5779688609. The cubic root of 1245707234 is about 1075.9827995067.

The spelling of 1245707234 in words is "one billion, two hundred forty-five million, seven hundred seven thousand, two hundred thirty-four".