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1121488417 = 7160212631
BaseRepresentation
bin100001011011000…
…1000111000100001
32220011021111220001
41002312020320201
54244100112132
6303141220001
736535331350
oct10266107041
92804244801
101121488417
11526061935
12273701601
1314b46571a
14a8d33997
15686ccce7
hex42d88e21

1121488417 has 4 divisors (see below), whose sum is σ = 1281701056. Its totient is φ = 961275780.

The previous prime is 1121488409. The next prime is 1121488451. The reversal of 1121488417 is 7148841211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121488417 - 23 = 1121488409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121488517) 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, 80106309 + ... + 80106322.

It is an arithmetic number, because the mean of its divisors is an integer number (320425264).

Almost surely, 21121488417 is an apocalyptic number.

It is an amenable number.

1121488417 is a deficient number, since it is larger than the sum of its proper divisors (160212639).

1121488417 is an equidigital number, since it uses as much as digits as its factorization.

1121488417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160212638.

The product of its digits is 14336, while the sum is 37.

The square root of 1121488417 is about 33488.6311604401. The cubic root of 1121488417 is about 1038.9586522390.

The spelling of 1121488417 in words is "one billion, one hundred twenty-one million, four hundred eighty-eight thousand, four hundred seventeen".

Divisors: 1 7 160212631 1121488417