2126054431 has 8 divisors (see below), whose sum is σ = 2195265024. Its totient is φ = 2056883160.

The previous prime is 2126054429. The next prime is 2126054507. The reversal of 2126054431 is 1344506212.

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 2126054431 - 2¹ = 2126054429 is a prime.

It is a super-2 number, since 2×2126054431² = 9040214887149467522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2126054431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126054131) 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 7 ways as a sum of consecutive naturals, for example, 133416 + ... + 148498.

It is an arithmetic number, because the mean of its divisors is an integer number (274408128).

Almost surely, 2^2126054431 is an apocalyptic number.

2126054431 is a deficient number, since it is larger than the sum of its proper divisors (69210593).

2126054431 is a wasteful number, since it uses less digits than its factorization.

2126054431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19661.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2126054431 is about 46109.1577780380. The cubic root of 2126054431 is about 1285.8534063645.

The spelling of 2126054431 in words is "two billion, one hundred twenty-six million, fifty-four thousand, four hundred thirty-one".