1055242 has 8 divisors (see below), whose sum is σ = 1589796. Its totient is φ = 525312.

The previous prime is 1055233. The next prime is 1055251. The reversal of 1055242 is 2425501.

It is an interprime number because it is at equal distance from previous prime (1055233) and next prime (1055251).

It can be written as a sum of positive squares in 2 ways, for example, as 938961 + 116281 = 969^2 + 341^2 .

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

It is a super-2 number, since 2×1055242² = 2227071357128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513 + ... + 1540.

2^1055242 is an apocalyptic number.

1055242 is the 514-th decagonal number.

1055242 is a deficient number, since it is larger than the sum of its proper divisors (534554).

1055242 is a wasteful number, since it uses less digits than its factorization.

1055242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1055242 is about 1027.2497262107. The cubic root of 1055242 is about 101.8084962474.

The spelling of 1055242 in words is "one million, fifty-five thousand, two hundred forty-two".