1206916740 has 48 divisors (see below), whose sum is σ = 3754853760. Its totient is φ = 321844320.

The previous prime is 1206916723. The next prime is 1206916759. The reversal of 1206916740 is 476196021.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1206916695 and 1206916704.

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 15 ways as a sum of consecutive naturals, for example, 1116976 + ... + 1118055.

It is an arithmetic number, because the mean of its divisors is an integer number (78226120).

Almost surely, 2^1206916740 is an apocalyptic number.

1206916740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1206916740 is an abundant number, since it is smaller than the sum of its proper divisors (2547937020).

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

1206916740 is a wasteful number, since it uses less digits than its factorization.

1206916740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235049 (or 2235041 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1206916740 is about 34740.7072466868. The cubic root of 1206916740 is about 1064.6963625567.

The spelling of 1206916740 in words is "one billion, two hundred six million, nine hundred sixteen thousand, seven hundred forty".