1501420 has 24 divisors (see below), whose sum is σ = 3231648. Its totient is φ = 585600.

The previous prime is 1501411. The next prime is 1501427. The reversal of 1501420 is 241051.

It is a self number, because there is not a number n which added to its sum of digits gives 1501420.

It is not an unprimeable number, because it can be changed into a prime (1501427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96 + ... + 1735.

It is an arithmetic number, because the mean of its divisors is an integer number (134652).

2^1501420 is an apocalyptic number.

1501420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1501420 is an abundant number, since it is smaller than the sum of its proper divisors (1730228).

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

1501420 is a wasteful number, since it uses less digits than its factorization.

1501420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1501420 is about 1225.3244468303. The cubic root of 1501420 is about 114.5075349567.

Adding to 1501420 its reverse (241051), we get a palindrome (1742471).

The spelling of 1501420 in words is "one million, five hundred one thousand, four hundred twenty".