1254642 has 16 divisors (see below), whose sum is σ = 2547552.
Its totient is φ = 411840.
The previous prime is 1254637. The next prime is 1254647. The reversal of 1254642 is 2464521.
It is an interprime number because it is at equal distance from previous prime (1254637) and next prime (1254647).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1254647) 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, 1159 + ... + 1962.
It is an arithmetic number, because the mean of its divisors is an integer number (159222).
21254642 is an apocalyptic number.
1254642 is an abundant number, since it is smaller than the sum of its proper divisors (1292910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1254642 is a wasteful number, since it uses less digits than its factorization.
1254642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3193.
The product of its digits is 1920, while the sum is 24.
The square root of 1254642 is about 1120.1080305042.
The cubic root of 1254642 is about 107.8549149222.
The spelling of 1254642 in words is "one million, two hundred fifty-four thousand, six hundred forty-two".