2131254 has 24 divisors (see below), whose sum is σ = 4651920. Its totient is φ = 705168.

The previous prime is 2131253. The next prime is 2131267. The reversal of 2131254 is 4521312.

It is a super-2 number, since 2×2131254² = 9084487225032, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2652 + ... + 3360.

It is an arithmetic number, because the mean of its divisors is an integer number (193830).

2^2131254 is an apocalyptic number.

2131254 is an abundant number, since it is smaller than the sum of its proper divisors (2520666).

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

2131254 is a wasteful number, since it uses less digits than its factorization.

2131254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 881 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2131254 is about 1459.8815020405. The cubic root of 2131254 is about 128.6900798877.

Adding to 2131254 its reverse (4521312), we get a palindrome (6652566).

The spelling of 2131254 in words is "two million, one hundred thirty-one thousand, two hundred fifty-four".