1235148069 has 8 divisors (see below), whose sum is σ = 1673862112. Its totient is φ = 809933040.

The previous prime is 1235148037. The next prime is 1235148071. The reversal of 1235148069 is 9608415321.

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

It is not a de Polignac number, because 1235148069 - 2⁵ = 1235148037 is a prime.

It is a super-2 number, since 2×1235148069² = 3051181504708857522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235148169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3374539 + ... + 3374904.

It is an arithmetic number, because the mean of its divisors is an integer number (209232764).

Almost surely, 2^1235148069 is an apocalyptic number.

It is an amenable number.

1235148069 is a deficient number, since it is larger than the sum of its proper divisors (438714043).

1235148069 is an equidigital number, since it uses as much as digits as its factorization.

1235148069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6749507.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1235148069 is about 35144.6734086405. The cubic root of 1235148069 is about 1072.9340003244.

The spelling of 1235148069 in words is "one billion, two hundred thirty-five million, one hundred forty-eight thousand, sixty-nine".