1301121145 has 8 divisors (see below), whose sum is σ = 1562783040. Its totient is φ = 1039938480.

The previous prime is 1301121137. The next prime is 1301121149. The reversal of 1301121145 is 5411211031.

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

It is not a de Polignac number, because 1301121145 - 2³ = 1301121137 is a prime.

It is a super-2 number, since 2×1301121145² = 3385832467932222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1301121149) 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, 113805 + ... + 124714.

It is an arithmetic number, because the mean of its divisors is an integer number (195347880).

Almost surely, 2^1301121145 is an apocalyptic number.

It is an amenable number.

1301121145 is a deficient number, since it is larger than the sum of its proper divisors (261661895).

1301121145 is a wasteful number, since it uses less digits than its factorization.

1301121145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239615.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1301121145 is about 36071.0568877597. The cubic root of 1301121145 is about 1091.7065389810.

Adding to 1301121145 its reverse (5411211031), we get a palindrome (6712332176).

The spelling of 1301121145 in words is "one billion, three hundred one million, one hundred twenty-one thousand, one hundred forty-five".