1245030489 has 6 divisors (see below), whose sum is σ = 1798377386. Its totient is φ = 830020320.

The previous prime is 1245030487. The next prime is 1245030491. The reversal of 1245030489 is 9840305421.

1245030489 is a `hidden beast` number, since 124 + 50 + 3 + 0 + 489 = 666.

It is an interprime number because it is at equal distance from previous prime (1245030487) and next prime (1245030491).

It can be written as a sum of positive squares in only one way, i.e., 1116094464 + 128936025 = 33408^2 + 11355^2 .

It is not a de Polignac number, because 1245030489 - 2¹ = 1245030487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245030487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69168352 + ... + 69168369.

Almost surely, 2^1245030489 is an apocalyptic number.

It is an amenable number.

1245030489 is a deficient number, since it is larger than the sum of its proper divisors (553346897).

1245030489 is a wasteful number, since it uses less digits than its factorization.

1245030489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138336727 (or 138336724 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1245030489 is about 35284.9895706375. The cubic root of 1245030489 is about 1075.7879174720.

The spelling of 1245030489 in words is "one billion, two hundred forty-five million, thirty thousand, four hundred eighty-nine".