1420150215 has 32 divisors (see below), whose sum is σ = 2510208000. Its totient is φ = 679835520.

The previous prime is 1420150187. The next prime is 1420150229. The reversal of 1420150215 is 5120510241.

It is not a de Polignac number, because 1420150215 - 2¹¹ = 1420148167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420150191 and 1420150200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41440 + ... + 67509.

It is an arithmetic number, because the mean of its divisors is an integer number (78444000).

Almost surely, 2^1420150215 is an apocalyptic number.

1420150215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420150215 is a deficient number, since it is larger than the sum of its proper divisors (1090057785).

1420150215 is a wasteful number, since it uses less digits than its factorization.

1420150215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109047.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1420150215 is about 37684.8804562254. The cubic root of 1420150215 is about 1124.0304970871.

Adding to 1420150215 its reverse (5120510241), we get a palindrome (6540660456).

The spelling of 1420150215 in words is "one billion, four hundred twenty million, one hundred fifty thousand, two hundred fifteen".