1245352930 has 32 divisors (see below), whose sum is σ = 2268750960. Its totient is φ = 492134400.

The previous prime is 1245352921. The next prime is 1245352939. The reversal of 1245352930 is 392535421.

It is an interprime number because it is at equal distance from previous prime (1245352921) and next prime (1245352939).

It can be written as a sum of positive squares in 8 ways, for example, as 109056249 + 1136296681 = 10443^2 + 33709^2 .

It is not an unprimeable number, because it can be changed into a prime (1245352939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036330 + ... + 1037530.

Almost surely, 2^1245352930 is an apocalyptic number.

1245352930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1245352930 is a deficient number, since it is larger than the sum of its proper divisors (1023398030).

1245352930 is a wasteful number, since it uses less digits than its factorization.

1245352930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1245352930 is about 35289.5583707136. The cubic root of 1245352930 is about 1075.8807795061.

The spelling of 1245352930 in words is "one billion, two hundred forty-five million, three hundred fifty-two thousand, nine hundred thirty".