1206124261 has 8 divisors (see below), whose sum is σ = 1240453760. Its totient is φ = 1171885968.

The previous prime is 1206124219. The next prime is 1206124273. The reversal of 1206124261 is 1624216021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1206124261 - 2¹³ = 1206116069 is a prime.

It is a super-2 number, since 2×1206124261² = 2909471465945592242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206124291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4480 + ... + 49318.

It is an arithmetic number, because the mean of its divisors is an integer number (155056720).

Almost surely, 2^1206124261 is an apocalyptic number.

It is an amenable number.

1206124261 is a deficient number, since it is larger than the sum of its proper divisors (34329499).

1206124261 is an equidigital number, since it uses as much as digits as its factorization.

1206124261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45603.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1206124261 is about 34729.2997481953. The cubic root of 1206124261 is about 1064.4632798536.

The spelling of 1206124261 in words is "one billion, two hundred six million, one hundred twenty-four thousand, two hundred sixty-one".