1207140 has 96 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 278400.

The previous prime is 1207133. The next prime is 1207147. The reversal of 1207140 is 417021.

It is an interprime number because it is at equal distance from previous prime (1207133) and next prime (1207147).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1207147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20431 + ... + 20489.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2^1207140 is an apocalyptic number.

1207140 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 1207140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1935360).

1207140 is an abundant number, since it is smaller than the sum of its proper divisors (2663580).

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

1207140 is a wasteful number, since it uses less digits than its factorization.

1207140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1207140 is about 1098.6992309090. The cubic root of 1207140 is about 106.4762009022.

It can be divided in two parts, 120 and 7140, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 1207140 in words is "one million, two hundred seven thousand, one hundred forty".