1242746011 has 8 divisors (see below), whose sum is σ = 1381514624. Its totient is φ = 1110144960.

The previous prime is 1242746009. The next prime is 1242746017. The reversal of 1242746011 is 1106472421.

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 1242746011 - 2¹ = 1242746009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242746017) 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, 1541466 + ... + 1542271.

It is an arithmetic number, because the mean of its divisors is an integer number (172689328).

Almost surely, 2^1242746011 is an apocalyptic number.

1242746011 is a deficient number, since it is larger than the sum of its proper divisors (138768613).

1242746011 is a wasteful number, since it uses less digits than its factorization.

1242746011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083781.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1242746011 is about 35252.6028968075. The cubic root of 1242746011 is about 1075.1295350667.

It can be divided in two parts, 1242 and 746011, that added together give a triangular number (747253 = T₁₂₂₂).

The spelling of 1242746011 in words is "one billion, two hundred forty-two million, seven hundred forty-six thousand, eleven".