1421200034 has 8 divisors (see below), whose sum is σ = 2257200108. Its totient is φ = 668800000.

The previous prime is 1421199973. The next prime is 1421200063. The reversal of 1421200034 is 4300021241.

It can be written as a sum of positive squares in 2 ways, for example, as 1390917025 + 30283009 = 37295^2 + 5503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1421199985 and 1421200021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20899967 + ... + 20900034.

Almost surely, 2^1421200034 is an apocalyptic number.

1421200034 is a deficient number, since it is larger than the sum of its proper divisors (836000074).

1421200034 is a wasteful number, since it uses less digits than its factorization.

1421200034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41800020.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1421200034 is about 37698.8067980938. The cubic root of 1421200034 is about 1124.3074015789.

Adding to 1421200034 its reverse (4300021241), we get a palindrome (5721221275).

The spelling of 1421200034 in words is "one billion, four hundred twenty-one million, two hundred thousand, thirty-four".