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121346245 = 5314716657
BaseRepresentation
bin1110011101110…
…01100011000101
322110100000202101
413032321203011
5222031034440
620012512101
73002266066
oct716714305
9273300671
10121346245
1162551259
123477b631
131c1a8917
141218a56d
15a9be69a
hex73b98c5

121346245 has 16 divisors (see below), whose sum is σ = 153520128. Its totient is φ = 91941120.

The previous prime is 121346233. The next prime is 121346261. The reversal of 121346245 is 542643121.

It is not a de Polignac number, because 121346245 - 25 = 121346213 is a prime.

It is a super-2 number, since 2×1213462452 = 29449822351200050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044 + ... + 15613.

It is an arithmetic number, because the mean of its divisors is an integer number (9595008).

Almost surely, 2121346245 is an apocalyptic number.

It is an amenable number.

121346245 is a deficient number, since it is larger than the sum of its proper divisors (32173883).

121346245 is a wasteful number, since it uses less digits than its factorization.

121346245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16740.

The product of its digits is 5760, while the sum is 28.

The square root of 121346245 is about 11015.7271661929. The cubic root of 121346245 is about 495.0800741120.

Adding to 121346245 its reverse (542643121), we get a palindrome (663989366).

The spelling of 121346245 in words is "one hundred twenty-one million, three hundred forty-six thousand, two hundred forty-five".

Divisors: 1 5 31 47 155 235 1457 7285 16657 83285 516367 782879 2581835 3914395 24269249 121346245