1420902 has 60 divisors (see below), whose sum is σ = 3724380. Its totient is φ = 403704.

The previous prime is 1420901. The next prime is 1420919. The reversal of 1420902 is 2090241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420901) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7849 + ... + 8027.

It is an arithmetic number, because the mean of its divisors is an integer number (62073).

2^1420902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862190).

1420902 is an abundant number, since it is smaller than the sum of its proper divisors (2303478).

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

1420902 is a wasteful number, since it uses less digits than its factorization.

1420902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1420902 is about 1192.0159394907. The cubic root of 1420902 is about 112.4228804795.

It can be divided in two parts, 1 and 420902, that added together give a triangular number (420903 = T₉₁₇).

The spelling of 1420902 in words is "one million, four hundred twenty thousand, nine hundred two".