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122040541 = 7372232113
BaseRepresentation
bin1110100011000…
…11000011011101
322111122022011001
413101203003131
5222220244131
620035430301
73011220220
oct721430335
9274568131
10122040541
1162985957
1234a55391
131c38c94c
14122cb5b7
15aaaa261
hex74630dd

122040541 has 16 divisors (see below), whose sum is σ = 143954944. Its totient is φ = 101274624.

The previous prime is 122040509. The next prime is 122040547. The reversal of 122040541 is 145040221.

It is not a de Polignac number, because 122040541 - 25 = 122040509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122040547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56701 + ... + 58813.

It is an arithmetic number, because the mean of its divisors is an integer number (8997184).

Almost surely, 2122040541 is an apocalyptic number.

It is an amenable number.

122040541 is a deficient number, since it is larger than the sum of its proper divisors (21914403).

122040541 is a wasteful number, since it uses less digits than its factorization.

122040541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380.

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

The square root of 122040541 is about 11047.1960695916. The cubic root of 122040541 is about 496.0224975162.

Subtracting from 122040541 its product of nonzero digits (320), we obtain a palindrome (122040221).

Adding to 122040541 its reverse (145040221), we get a palindrome (267080762).

The spelling of 122040541 in words is "one hundred twenty-two million, forty thousand, five hundred forty-one".

Divisors: 1 7 37 223 259 1561 2113 8251 14791 57757 78181 471199 547267 3298393 17434363 122040541