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141201021 = 3132278503
BaseRepresentation
bin10000110101010…
…00111001111101
3100211200202101110
420122220321331
5242121413041
622002232233
73333121533
oct1032507175
9324622343
10141201021
1172782465
123b355679
132333ac00
1414a78153
15c5e2516
hex86a8e7d

141201021 has 12 divisors (see below), whose sum is σ = 203864928. Its totient is φ = 86892624.

The previous prime is 141201017. The next prime is 141201023. The reversal of 141201021 is 120102141.

It is a happy number.

It is not a de Polignac number, because 141201021 - 22 = 141201017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141200988 and 141201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141201023) 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, 138745 + ... + 139758.

It is an arithmetic number, because the mean of its divisors is an integer number (16988744).

Almost surely, 2141201021 is an apocalyptic number.

It is an amenable number.

141201021 is a deficient number, since it is larger than the sum of its proper divisors (62663907).

141201021 is a wasteful number, since it uses less digits than its factorization.

141201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278532 (or 278519 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 141201021 is about 11882.8035833300. The cubic root of 141201021 is about 520.7300163335.

Adding to 141201021 its reverse (120102141), we get a palindrome (261303162).

The spelling of 141201021 in words is "one hundred forty-one million, two hundred one thousand, twenty-one".

Divisors: 1 3 13 39 169 507 278503 835509 3620539 10861617 47067007 141201021