1421150026 has 4 divisors (see below), whose sum is σ = 2131725042. Its totient is φ = 710575012.

The previous prime is 1421150023. The next prime is 1421150041. The reversal of 1421150026 is 6200511241.

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

It can be written as a sum of positive squares in only one way, i.e., 1417146025 + 4004001 = 37645^2 + 2001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1421149979 and 1421150006.

It is not an unprimeable number, because it can be changed into a prime (1421150021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355287505 + ... + 355287508.

Almost surely, 2^1421150026 is an apocalyptic number.

1421150026 is a deficient number, since it is larger than the sum of its proper divisors (710575016).

1421150026 is an equidigital number, since it uses as much as digits as its factorization.

1421150026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710575015.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1421150026 is about 37698.1435351928. The cubic root of 1421150026 is about 1124.2942143609.

Adding to 1421150026 its reverse (6200511241), we get a palindrome (7621661267).

The spelling of 1421150026 in words is "one billion, four hundred twenty-one million, one hundred fifty thousand, twenty-six".