2126354105 has 8 divisors (see below), whose sum is σ = 2555536392. Its totient is φ = 1698475648.

The previous prime is 2126354099. The next prime is 2126354137. The reversal of 2126354105 is 5014536212.

It can be written as a sum of positive squares in 4 ways, for example, as 47997184 + 2078356921 = 6928^2 + 45589^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2126354105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322364 + ... + 328893.

It is an arithmetic number, because the mean of its divisors is an integer number (319442049).

Almost surely, 2^2126354105 is an apocalyptic number.

It is an amenable number.

2126354105 is a deficient number, since it is larger than the sum of its proper divisors (429182287).

2126354105 is an equidigital number, since it uses as much as digits as its factorization.

2126354105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651915.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2126354105 is about 46112.4072783020. The cubic root of 2126354105 is about 1285.9138185416.

The spelling of 2126354105 in words is "two billion, one hundred twenty-six million, three hundred fifty-four thousand, one hundred five".