2124156406 has 8 divisors (see below), whose sum is σ = 3186601344. Its totient is φ = 1061955960.

The previous prime is 2124156379. The next prime is 2124156431. The reversal of 2124156406 is 6046514212.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37590 + ... + 75241.

It is an arithmetic number, because the mean of its divisors is an integer number (398325168).

Almost surely, 2^2124156406 is an apocalyptic number.

2124156406 is a deficient number, since it is larger than the sum of its proper divisors (1062444938).

2124156406 is a wasteful number, since it uses less digits than its factorization.

2124156406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122246.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2124156406 is about 46088.5713165422. The cubic root of 2124156406 is about 1285.4706459313.

The spelling of 2124156406 in words is "two billion, one hundred twenty-four million, one hundred fifty-six thousand, four hundred six".