1245023330 has 8 divisors (see below), whose sum is σ = 2241042012. Its totient is φ = 498009328.

The previous prime is 1245023309. The next prime is 1245023387. The reversal of 1245023330 is 333205421.

It can be written as a sum of positive squares in 2 ways, for example, as 1122987121 + 122036209 = 33511^2 + 11047^2 .

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 = 1245023296 and 1245023305.

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 in 3 ways as a sum of consecutive naturals, for example, 62251157 + ... + 62251176.

Almost surely, 2^1245023330 is an apocalyptic number.

1245023330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1245023330 is a deficient number, since it is larger than the sum of its proper divisors (996018682).

1245023330 is a wasteful number, since it uses less digits than its factorization.

1245023330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124502340.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1245023330 is about 35284.8881250883. Note that the first 3 decimals coincide. The cubic root of 1245023330 is about 1075.7858555197.

Adding to 1245023330 its reverse (333205421), we get a palindrome (1578228751).

The spelling of 1245023330 in words is "one billion, two hundred forty-five million, twenty-three thousand, three hundred thirty".