1206124625 has 8 divisors (see below), whose sum is σ = 1505243688. Its totient is φ = 964899600.

The previous prime is 1206124613. The next prime is 1206124637. The reversal of 1206124625 is 5264216021.

It is an interprime number because it is at equal distance from previous prime (1206124613) and next prime (1206124637).

It can be written as a sum of positive squares in 4 ways, for example, as 368449 + 1205756176 = 607^2 + 34724^2 .

It is not a de Polignac number, because 1206124625 - 2⁶ = 1206124561 is a prime.

It is a super-2 number, since 2×1206124625² = 2909473222062781250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4824374 + ... + 4824623.

It is an arithmetic number, because the mean of its divisors is an integer number (188155461).

Almost surely, 2^1206124625 is an apocalyptic number.

It is an amenable number.

1206124625 is a deficient number, since it is larger than the sum of its proper divisors (299119063).

1206124625 is an frugal number, since it uses more digits than its factorization.

1206124625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9649012 (or 9649002 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1206124625 is about 34729.3049887267. The cubic root of 1206124625 is about 1064.4633869361.

The spelling of 1206124625 in words is "one billion, two hundred six million, one hundred twenty-four thousand, six hundred twenty-five".