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121441042 = 2109557069
BaseRepresentation
bin1110011110100…
…00101100010010
322110111211210101
413033100230102
5222042103132
620014523014
73003142342
oct717205422
9273454711
10121441042
11626064a8
123480646a
131c20cb08
14121b2d22
15a9dc7e7
hex73d0b12

121441042 has 8 divisors (see below), whose sum is σ = 183833100. Its totient is φ = 60163344.

The previous prime is 121441003. The next prime is 121441069. The reversal of 121441042 is 240144121.

It can be written as a sum of positive squares in 2 ways, for example, as 115541001 + 5900041 = 10749^2 + 2429^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278317 + ... + 278752.

Almost surely, 2121441042 is an apocalyptic number.

121441042 is a deficient number, since it is larger than the sum of its proper divisors (62392058).

121441042 is a wasteful number, since it uses less digits than its factorization.

121441042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557180.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 121441042 is about 11020.0291288181. The cubic root of 121441042 is about 495.2089611926.

Adding to 121441042 its reverse (240144121), we get a palindrome (361585163).

The spelling of 121441042 in words is "one hundred twenty-one million, four hundred forty-one thousand, forty-two".

Divisors: 1 2 109 218 557069 1114138 60720521 121441042