1350251421 has 16 divisors (see below), whose sum is σ = 1818358080. Its totient is φ = 891192960.

The previous prime is 1350251393. The next prime is 1350251429. The reversal of 1350251421 is 1241520531.

It is a happy number.

It is not a de Polignac number, because 1350251421 - 2¹⁹ = 1349727133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1350251391 and 1350251400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350251429) 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 15 ways as a sum of consecutive naturals, for example, 151201 + ... + 159881.

It is an arithmetic number, because the mean of its divisors is an integer number (113647380).

Almost surely, 2^1350251421 is an apocalyptic number.

It is an amenable number.

1350251421 is a deficient number, since it is larger than the sum of its proper divisors (468106659).

1350251421 is a wasteful number, since it uses less digits than its factorization.

1350251421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9196.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1350251421 is about 36745.7673889116. The cubic root of 1350251421 is about 1105.2780559172.

Adding to 1350251421 its reverse (1241520531), we get a palindrome (2591771952).

The spelling of 1350251421 in words is "one billion, three hundred fifty million, two hundred fifty-one thousand, four hundred twenty-one".