1421787060 has 192 divisors, whose sum is σ = 4612204800. Its totient is φ = 363170304.

The previous prime is 1421787047. The next prime is 1421787077. The reversal of 1421787060 is 607871241.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2552302 + ... + 2552858.

It is an arithmetic number, because the mean of its divisors is an integer number (24021900).

Almost surely, 2^1421787060 is an apocalyptic number.

1421787060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421787060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2306102400).

1421787060 is an abundant number, since it is smaller than the sum of its proper divisors (3190417740).

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

1421787060 is a wasteful number, since it uses less digits than its factorization.

1421787060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 1421787060 is about 37706.5917314201. The cubic root of 1421787060 is about 1124.4621784837.

The spelling of 1421787060 in words is "one billion, four hundred twenty-one million, seven hundred eighty-seven thousand, sixty".