1501126420 has 96 divisors (see below), whose sum is σ = 3396556800. Its totient is φ = 556168704.

The previous prime is 1501126381. The next prime is 1501126457. The reversal of 1501126420 is 246211051.

It is a junction number, because it is equal to n+sod(n) for n = 1501126391 and 1501126400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1444261 + ... + 1445299.

It is an arithmetic number, because the mean of its divisors is an integer number (35380800).

Almost surely, 2^1501126420 is an apocalyptic number.

1501126420 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 1501126420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1698278400).

1501126420 is an abundant number, since it is smaller than the sum of its proper divisors (1895430380).

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

1501126420 is a wasteful number, since it uses less digits than its factorization.

1501126420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1501126420 is about 38744.3727526979. The cubic root of 1501126420 is about 1145.0007106395. Note that the first 3 decimals are identical.

Adding to 1501126420 its reverse (246211051), we get a palindrome (1747337471).

The spelling of 1501126420 in words is "one billion, five hundred one million, one hundred twenty-six thousand, four hundred twenty".