1235426061 has 4 divisors (see below), whose sum is σ = 1647234752. Its totient is φ = 823617372.

The previous prime is 1235426053. The next prime is 1235426069. The reversal of 1235426061 is 1606245321.

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 an interprime number because it is at equal distance from previous prime (1235426053) and next prime (1235426069).

It is not a de Polignac number, because 1235426061 - 2³ = 1235426053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235426069) 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, 205904341 + ... + 205904346.

It is an arithmetic number, because the mean of its divisors is an integer number (411808688).

Almost surely, 2^1235426061 is an apocalyptic number.

It is an amenable number.

1235426061 is a deficient number, since it is larger than the sum of its proper divisors (411808691).

1235426061 is an equidigital number, since it uses as much as digits as its factorization.

1235426061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411808690.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1235426061 is about 35148.6281524614. The cubic root of 1235426061 is about 1073.0144885676.

The spelling of 1235426061 in words is "one billion, two hundred thirty-five million, four hundred twenty-six thousand, sixty-one".