1206875136 has 352 divisors, whose sum is σ = 3773030400. Its totient is φ = 340623360.

The previous prime is 1206875129. The next prime is 1206875147. The reversal of 1206875136 is 6315786021.

It is a junction number, because it is equal to n+sod(n) for n = 1206875094 and 1206875103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38931441 + ... + 38931471.

Almost surely, 2^1206875136 is an apocalyptic number.

1206875136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1206875136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1886515200).

1206875136 is an abundant number, since it is smaller than the sum of its proper divisors (2566155264).

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

1206875136 is a wasteful number, since it uses less digits than its factorization.

1206875136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1206875136 is about 34740.1084626977. The cubic root of 1206875136 is about 1064.6841285904.

The spelling of 1206875136 in words is "one billion, two hundred six million, eight hundred seventy-five thousand, one hundred thirty-six".