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120113007 = 37171572143
BaseRepresentation
bin1110010100011…
…00011101101111
322101000101001220
413022030131233
5221222104012
615530234423
72655641460
oct712143557
9271011056
10120113007
1161889753
1234285a13
131bb664b1
1411d48d67
15a82908c
hex728c76f

120113007 has 32 divisors (see below), whose sum is σ = 195121152. Its totient is φ = 64157184.

The previous prime is 120112991. The next prime is 120113027. The reversal of 120113007 is 700311021.

It is not a de Polignac number, because 120113007 - 24 = 120112991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120113027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54978 + ... + 57120.

It is an arithmetic number, because the mean of its divisors is an integer number (6097536).

Almost surely, 2120113007 is an apocalyptic number.

120113007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

120113007 is a deficient number, since it is larger than the sum of its proper divisors (75008145).

120113007 is a wasteful number, since it uses less digits than its factorization.

120113007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 120113007 is about 10959.6079765656. The cubic root of 120113007 is about 493.3971991925.

Adding to 120113007 its reverse (700311021), we get a palindrome (820424028).

The spelling of 120113007 in words is "one hundred twenty million, one hundred thirteen thousand, seven".

Divisors: 1 3 7 17 21 51 119 157 357 471 1099 2143 2669 3297 6429 8007 15001 18683 36431 45003 56049 109293 255017 336451 765051 1009353 2355157 5719667 7065471 17159001 40037669 120113007