1421875826 has 12 divisors (see below), whose sum is σ = 2481028398. Its totient is φ = 609375312.

The previous prime is 1421875799. The next prime is 1421875877. The reversal of 1421875826 is 6285781241.

It can be written as a sum of positive squares in only one way, i.e., 968143225 + 453732601 = 31115^2 + 21301^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7254371 + ... + 7254566.

Almost surely, 2^1421875826 is an apocalyptic number.

1421875826 is a deficient number, since it is larger than the sum of its proper divisors (1059152572).

1421875826 is a wasteful number, since it uses less digits than its factorization.

1421875826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14508953 (or 14508946 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 1421875826 is about 37707.7687751476. The cubic root of 1421875826 is about 1124.4855790653.

The spelling of 1421875826 in words is "one billion, four hundred twenty-one million, eight hundred seventy-five thousand, eight hundred twenty-six".