1245006040 has 32 divisors (see below), whose sum is σ = 2854122480. Its totient is φ = 488605312.

The previous prime is 1245006017. The next prime is 1245006043. The reversal of 1245006040 is 406005421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245006043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 291514 + ... + 295753.

Almost surely, 2^1245006040 is an apocalyptic number.

1245006040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245006040 is an abundant number, since it is smaller than the sum of its proper divisors (1609116440).

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

1245006040 is a wasteful number, since it uses less digits than its factorization.

1245006040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587331 (or 587327 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1245006040 is about 35284.6431185013. The cubic root of 1245006040 is about 1075.7808755800.

The spelling of 1245006040 in words is "one billion, two hundred forty-five million, six thousand, forty".