1101457 has 4 divisors (see below), whose sum is σ = 1258816. Its totient is φ = 944100.

The previous prime is 1101439. The next prime is 1101467. The reversal of 1101457 is 7541011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7541011 = 1187 ⋅6353.

It is a cyclic number.

It is not a de Polignac number, because 1101457 - 2¹¹ = 1099409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101407) 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, 78669 + ... + 78682.

It is an arithmetic number, because the mean of its divisors is an integer number (314704).

2^1101457 is an apocalyptic number.

It is an amenable number.

1101457 is a deficient number, since it is larger than the sum of its proper divisors (157359).

1101457 is an equidigital number, since it uses as much as digits as its factorization.

1101457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157358.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1101457 is about 1049.5032158121. The cubic root of 1101457 is about 103.2735681688.

Adding to 1101457 its reverse (7541011), we get a palindrome (8642468).

The spelling of 1101457 in words is "one million, one hundred one thousand, four hundred fifty-seven".