1421262007 has 12 divisors (see below), whose sum is σ = 1600321968. Its totient is φ = 1260538400.

The previous prime is 1421261987. The next prime is 1421262013. The reversal of 1421262007 is 7002621241.

It is not a de Polignac number, because 1421262007 - 2⁷ = 1421261879 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 (1421262047) 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 11 ways as a sum of consecutive naturals, for example, 138283 + ... + 148204.

It is an arithmetic number, because the mean of its divisors is an integer number (133360164).

Almost surely, 2^1421262007 is an apocalyptic number.

1421262007 is a deficient number, since it is larger than the sum of its proper divisors (179059961).

1421262007 is a wasteful number, since it uses less digits than its factorization.

1421262007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286550 (or 286539 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1421262007 is about 37699.6287382250. The cubic root of 1421262007 is about 1124.3237435641.

Adding to 1421262007 its reverse (7002621241), we get a palindrome (8423883248).

The spelling of 1421262007 in words is "one billion, four hundred twenty-one million, two hundred sixty-two thousand, seven".