1057267642 has 8 divisors (see below), whose sum is σ = 1600723296. Its totient is φ = 523693212.

The previous prime is 1057267639. The next prime is 1057267643. The reversal of 1057267642 is 2467627501.

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

It is a super-2 number, since 2×1057267642² = 2235629733640480328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057267595 and 1057267604.

It is not an unprimeable number, because it can be changed into a prime (1057267643) 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, 2470038 + ... + 2470465.

It is an arithmetic number, because the mean of its divisors is an integer number (200090412).

Almost surely, 2^1057267642 is an apocalyptic number.

1057267642 is a deficient number, since it is larger than the sum of its proper divisors (543455654).

1057267642 is a wasteful number, since it uses less digits than its factorization.

1057267642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940612.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 1057267642 is about 32515.6522616416. The cubic root of 1057267642 is about 1018.7359845413.

The spelling of 1057267642 in words is "one billion, fifty-seven million, two hundred sixty-seven thousand, six hundred forty-two".