1421150516 has 24 divisors (see below), whose sum is σ = 2550513504. Its totient is φ = 692506080.

The previous prime is 1421150491. The next prime is 1421150537. The reversal of 1421150516 is 6150511241.

It is a congruent number.

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, 70331 + ... + 88253.

It is an arithmetic number, because the mean of its divisors is an integer number (106271396).

Almost surely, 2^1421150516 is an apocalyptic number.

It is an amenable number.

1421150516 is a deficient number, since it is larger than the sum of its proper divisors (1129362988).

1421150516 is a wasteful number, since it uses less digits than its factorization.

1421150516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431 (or 18429 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1421150516 is about 37698.1500341860. The cubic root of 1421150516 is about 1124.2943435764.

Adding to 1421150516 its reverse (6150511241), we get a palindrome (7571661757).

The spelling of 1421150516 in words is "one billion, four hundred twenty-one million, one hundred fifty thousand, five hundred sixteen".