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1241551241 = 7227378031
BaseRepresentation
bin100101000000000…
…1001000110001001
310012112012100010022
41022000021012021
510020314114431
6323110430225
742524003630
oct11200110611
93175170108
101241551241
11587906907
122a7962375
1316a2b2108
14bac68517
1573ee707b
hex4a009189

1241551241 has 8 divisors (see below), whose sum is σ = 1419558144. Its totient is φ = 1063704960.

The previous prime is 1241551237. The next prime is 1241551261. The reversal of 1241551241 is 1421551421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1241551241 - 22 = 1241551237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241551241.

It is not an unprimeable number, because it can be changed into a prime (1241551261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23105 + ... + 54926.

It is an arithmetic number, because the mean of its divisors is an integer number (177444768).

Almost surely, 21241551241 is an apocalyptic number.

It is an amenable number.

1241551241 is a deficient number, since it is larger than the sum of its proper divisors (178006903).

1241551241 is an equidigital number, since it uses as much as digits as its factorization.

1241551241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80311.

The product of its digits is 1600, while the sum is 26.

The square root of 1241551241 is about 35235.6529810361. The cubic root of 1241551241 is about 1074.7848831505.

The spelling of 1241551241 in words is "one billion, two hundred forty-one million, five hundred fifty-one thousand, two hundred forty-one".

Divisors: 1 7 2273 15911 78031 546217 177364463 1241551241