1420104 has 64 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 396864.

The previous prime is 1420099. The next prime is 1420109. The reversal of 1420104 is 4010241.

It is an interprime number because it is at equal distance from previous prime (1420099) and next prime (1420109).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a zygodrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1420104.

It is not an unprimeable number, because it can be changed into a prime (1420109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13219 + ... + 13325.

It is an arithmetic number, because the mean of its divisors is an integer number (64800).

2^1420104 is an apocalyptic number.

1420104 is a gapful number since it is divisible by the number (14) 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 1420104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2073600).

1420104 is an abundant number, since it is smaller than the sum of its proper divisors (2727096).

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

1420104 is a wasteful number, since it uses less digits than its factorization.

1420104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1420104 is about 1191.6811654130. The cubic root of 1420104 is about 112.4018304097.

Adding to 1420104 its reverse (4010241), we get a palindrome (5430345).

The spelling of 1420104 in words is "one million, four hundred twenty thousand, one hundred four".