1206940515 has 96 divisors (see below), whose sum is σ = 2308454400. Its totient is φ = 536025600.

The previous prime is 1206940513. The next prime is 1206940519. The reversal of 1206940515 is 5150496021.

It is not a de Polignac number, because 1206940515 - 2¹ = 1206940513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206940513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1068471 + ... + 1069599.

It is an arithmetic number, because the mean of its divisors is an integer number (24046400).

Almost surely, 2^1206940515 is an apocalyptic number.

1206940515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1206940515 is a deficient number, since it is larger than the sum of its proper divisors (1101513885).

1206940515 is a wasteful number, since it uses less digits than its factorization.

1206940515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 1206940515 is about 34741.0494228370. The cubic root of 1206940515 is about 1064.7033536465.

The spelling of 1206940515 in words is "one billion, two hundred six million, nine hundred forty thousand, five hundred fifteen".