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2125387 = 11474111
BaseRepresentation
bin1000000110111001001011
310222222111001
420012321023
51021003022
6113315431
724031315
oct10067113
93888431
102125387
111221920
12865b77
13595534
143d47b5
152beb27
hex206e4b

2125387 has 8 divisors (see below), whose sum is σ = 2368512. Its totient is φ = 1890600.

The previous prime is 2125373. The next prime is 2125393. The reversal of 2125387 is 7835212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2125387 - 27 = 2125259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125327) 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, 1539 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (296064).

22125387 is an apocalyptic number.

2125387 is a deficient number, since it is larger than the sum of its proper divisors (243125).

2125387 is a wasteful number, since it uses less digits than its factorization.

2125387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169.

The product of its digits is 3360, while the sum is 28.

The square root of 2125387 is about 1457.8707075732. The cubic root of 2125387 is about 128.5718836551.

The spelling of 2125387 in words is "two million, one hundred twenty-five thousand, three hundred eighty-seven".

Divisors: 1 11 47 517 4111 45221 193217 2125387