1421411154 has 16 divisors (see below), whose sum is σ = 2843254848. Its totient is φ = 473731632.

The previous prime is 1421411137. The next prime is 1421411171. The reversal of 1421411154 is 4511141241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1421411137) and next prime (1421411171).

It is a super-2 number, since 2×1421411154² = 4040819337431223432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38184 + ... + 65580.

It is an arithmetic number, because the mean of its divisors is an integer number (177703428).

Almost surely, 2^1421411154 is an apocalyptic number.

1421411154 is an abundant number, since it is smaller than the sum of its proper divisors (1421843694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421411154 is a wasteful number, since it uses less digits than its factorization.

1421411154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36049.

The product of its digits is 640, while the sum is 24.

The square root of 1421411154 is about 37701.6067827354. The cubic root of 1421411154 is about 1124.3630709710.

Adding to 1421411154 its reverse (4511141241), we get a palindrome (5932552395).

The spelling of 1421411154 in words is "one billion, four hundred twenty-one million, four hundred eleven thousand, one hundred fifty-four".