1245402030 has 32 divisors (see below), whose sum is σ = 3033581184. Its totient is φ = 327149856.

The previous prime is 1245402001. The next prime is 1245402049. The reversal of 1245402030 is 302045421.

It is a junction number, because it is equal to n+sod(n) for n = 1245401988 and 1245402006.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 307792 + ... + 311811.

It is an arithmetic number, because the mean of its divisors is an integer number (94799412).

Almost surely, 2^1245402030 is an apocalyptic number.

1245402030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1245402030 is an abundant number, since it is smaller than the sum of its proper divisors (1788179154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245402030 is a wasteful number, since it uses less digits than its factorization.

1245402030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619680.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1245402030 is about 35290.2540370567. The cubic root of 1245402030 is about 1075.8949187515.

Adding to 1245402030 its reverse (302045421), we get a palindrome (1547447451).

The spelling of 1245402030 in words is "one billion, two hundred forty-five million, four hundred two thousand, thirty".