1203140 has 24 divisors (see below), whose sum is σ = 2587200. Its totient is φ = 469728.

The previous prime is 1203127. The next prime is 1203149. The reversal of 1203140 is 413021.

1203140 = T₃₉₃ + T₃₉₄ + ... + T₄₀₇.

It is a happy number.

1203140 is nontrivially palindromic in base 3.

It is an Ulam number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1203149) 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, 161 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (107800).

2^1203140 is an apocalyptic number.

1203140 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 1203140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1293600).

1203140 is an abundant number, since it is smaller than the sum of its proper divisors (1384060).

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

1203140 is a wasteful number, since it uses less digits than its factorization.

1203140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1203140 is about 1096.8773860373. The cubic root of 1203140 is about 106.3584636334.

Adding to 1203140 its reverse (413021), we get a palindrome (1616161).

The spelling of 1203140 in words is "one million, two hundred three thousand, one hundred forty".