1245405030 has 32 divisors (see below), whose sum is σ = 3005683200. Its totient is φ = 330251232.

The previous prime is 1245405017. The next prime is 1245405061. The reversal of 1245405030 is 305045421.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110590 + ... + 121329.

It is an arithmetic number, because the mean of its divisors is an integer number (93927600).

Almost surely, 2^1245405030 is an apocalyptic number.

1245405030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1245405030 is an abundant number, since it is smaller than the sum of its proper divisors (1760278170).

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

1245405030 is a wasteful number, since it uses less digits than its factorization.

1245405030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232108.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1245405030 is about 35290.2965416841. The cubic root of 1245405030 is about 1075.8957826445.

The spelling of 1245405030 in words is "one billion, two hundred forty-five million, four hundred five thousand, thirty".