1206907845 has 48 divisors (see below), whose sum is σ = 2285880576. Its totient is φ = 540144000.

The previous prime is 1206907837. The next prime is 1206907859. The reversal of 1206907845 is 5487096021.

It is not a de Polignac number, because 1206907845 - 2³ = 1206907837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1206907797 and 1206907806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1981 + ... + 49170.

It is an arithmetic number, because the mean of its divisors is an integer number (47622512).

Almost surely, 2^1206907845 is an apocalyptic number.

1206907845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1206907845 is a deficient number, since it is larger than the sum of its proper divisors (1078972731).

1206907845 is a wasteful number, since it uses less digits than its factorization.

1206907845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51194 (or 51183 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1206907845 is about 34740.5792266047. The cubic root of 1206907845 is about 1064.6937469393.

The spelling of 1206907845 in words is "one billion, two hundred six million, nine hundred seven thousand, eight hundred forty-five".