1230446745 has 48 divisors (see below), whose sum is σ = 2449137600. Its totient is φ = 565176960.

The previous prime is 1230446719. The next prime is 1230446779. The reversal of 1230446745 is 5476440321.

It is not a de Polignac number, because 1230446745 - 2¹³ = 1230438553 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 56010 + ... + 74819.

It is an arithmetic number, because the mean of its divisors is an integer number (51023700).

Almost surely, 2^1230446745 is an apocalyptic number.

1230446745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1230446745 is a deficient number, since it is larger than the sum of its proper divisors (1218690855).

1230446745 is a wasteful number, since it uses less digits than its factorization.

1230446745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130870 (or 130867 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 1230446745 is about 35077.7243418099. The cubic root of 1230446745 is about 1071.5709724254.

It can be divided in two parts, 12304 and 46745, that added together give a 10-th power (59049 = 3¹⁰).

The spelling of 1230446745 in words is "one billion, two hundred thirty million, four hundred forty-six thousand, seven hundred forty-five".