2126451301 has 4 divisors (see below), whose sum is σ = 2290024492. Its totient is φ = 1962878112.

The previous prime is 2126451287. The next prime is 2126451317. The reversal of 2126451301 is 1031546212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 155002500 + 1971448801 = 12450^2 + 44401^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2126451301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126452301) by changing a digit.

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, 81786576 + ... + 81786601.

It is an arithmetic number, because the mean of its divisors is an integer number (572506123).

Almost surely, 2^2126451301 is an apocalyptic number.

It is an amenable number.

2126451301 is a deficient number, since it is larger than the sum of its proper divisors (163573191).

2126451301 is a wasteful number, since it uses less digits than its factorization.

2126451301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163573190.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2126451301 is about 46113.4611691640. The cubic root of 2126451301 is about 1285.9334113546.

Adding to 2126451301 its reverse (1031546212), we get a palindrome (3157997513).

The spelling of 2126451301 in words is "two billion, one hundred twenty-six million, four hundred fifty-one thousand, three hundred one".