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120230103 = 37173071097
BaseRepresentation
bin1110010101010…
…01000011010111
322101020022200210
413022221003113
5221234330403
615532540503
72656640040
oct712510327
9271208623
10120230103
1161959724
1234321733
131bba7896
1411d798c7
15a84db03
hex72a90d7

120230103 has 32 divisors (see below), whose sum is σ = 194793984. Its totient is φ = 64392192.

The previous prime is 120230063. The next prime is 120230113. The reversal of 120230103 is 301032021.

It is a happy number.

It is not a de Polignac number, because 120230103 - 28 = 120229847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120230113) 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, 109051 + ... + 110147.

It is an arithmetic number, because the mean of its divisors is an integer number (6087312).

Almost surely, 2120230103 is an apocalyptic number.

120230103 is a deficient number, since it is larger than the sum of its proper divisors (74563881).

120230103 is a wasteful number, since it uses less digits than its factorization.

120230103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 120230103 is about 10964.9488370899. The cubic root of 120230103 is about 493.5574817894.

Adding to 120230103 its reverse (301032021), we get a palindrome (421262124).

The spelling of 120230103 in words is "one hundred twenty million, two hundred thirty thousand, one hundred three".

Divisors: 1 3 7 17 21 51 119 307 357 921 1097 2149 3291 5219 6447 7679 15657 18649 23037 36533 55947 109599 130543 336779 391629 1010337 2357453 5725243 7072359 17175729 40076701 120230103