Search a number
-
+
121402054 = 2106956783
BaseRepresentation
bin1110011110001…
…11001011000110
322110102212022101
413033013023012
5222034331204
620014022314
73002620564
oct717071306
9273385271
10121402054
116258a184
12347a799a
131c1c8147
14121a2a34
15a9d0ea4
hex73c72c6

121402054 has 8 divisors (see below), whose sum is σ = 182276640. Its totient is φ = 60643176.

The previous prime is 121402051. The next prime is 121402067. The reversal of 121402054 is 450204121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121402051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26254 + ... + 30529.

It is an arithmetic number, because the mean of its divisors is an integer number (22784580).

Almost surely, 2121402054 is an apocalyptic number.

121402054 is a deficient number, since it is larger than the sum of its proper divisors (60874586).

121402054 is a wasteful number, since it uses less digits than its factorization.

121402054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57854.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 121402054 is about 11018.2600259751. The cubic root of 121402054 is about 495.1559607869.

Adding to 121402054 its reverse (450204121), we get a palindrome (571606175).

The spelling of 121402054 in words is "one hundred twenty-one million, four hundred two thousand, fifty-four".

Divisors: 1 2 1069 2138 56783 113566 60701027 121402054