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121144597 = 76124651
BaseRepresentation
bin1110011100010…
…00010100010101
322102221210010221
413032020110111
5222003111342
620004314341
73000466150
oct716102425
9272853127
10121144597
1162423802
12346a29b1
131c137bc2
1412136c97
15a97ea67
hex7388515

121144597 has 12 divisors (see below), whose sum is σ = 140788128. Its totient is φ = 102114000.

The previous prime is 121144553. The next prime is 121144603. The reversal of 121144597 is 795441121.

It is a de Polignac number, because none of the positive numbers 2k-121144597 is a prime.

It is a super-3 number, since 3×1211445973 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121144537) 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, 23722 + ... + 28372.

It is an arithmetic number, because the mean of its divisors is an integer number (11732344).

Almost surely, 2121144597 is an apocalyptic number.

It is an amenable number.

121144597 is a deficient number, since it is larger than the sum of its proper divisors (19643531).

121144597 is an frugal number, since it uses more digits than its factorization.

121144597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780 (or 4719 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 121144597 is about 11006.5706284928. The cubic root of 121144597 is about 494.8056877704.

The spelling of 121144597 in words is "one hundred twenty-one million, one hundred forty-four thousand, five hundred ninety-seven".

Divisors: 1 7 61 427 3721 4651 26047 32557 283711 1985977 17306371 121144597