612140 has 24 divisors (see below), whose sum is σ = 1300992. Its totient is φ = 241920.

The previous prime is 612137. The next prime is 612149. The reversal of 612140 is 41216.

612140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (612149) 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, 2420 + ... + 2660.

It is an arithmetic number, because the mean of its divisors is an integer number (54208).

2⁶¹²¹⁴⁰ is an apocalyptic number.

It is an amenable number.

612140 is an abundant number, since it is smaller than the sum of its proper divisors (688852).

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

612140 is a wasteful number, since it uses less digits than its factorization.

612140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 612140 is about 782.3937627563. The cubic root of 612140 is about 84.9083209912.

Adding to 612140 its reverse (41216), we get a palindrome (653356).

The spelling of 612140 in words is "six hundred twelve thousand, one hundred forty".