1225031 has 4 divisors (see below), whose sum is σ = 1229064. Its totient is φ = 1221000.

The previous prime is 1225019. The next prime is 1225061. The reversal of 1225031 is 1305221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1305221 = 599 ⋅2179.

It is a cyclic number.

It is not a de Polignac number, because 1225031 - 2⁶ = 1224967 is a prime.

It is a super-2 number, since 2×1225031² = 3001401901922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1224997 and 1225015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225061) 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, 1520 + ... + 2181.

It is an arithmetic number, because the mean of its divisors is an integer number (307266).

2^1225031 is an apocalyptic number.

1225031 is a deficient number, since it is larger than the sum of its proper divisors (4033).

1225031 is an equidigital number, since it uses as much as digits as its factorization.

1225031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1225031 is about 1106.8111853428. The cubic root of 1225031 is about 106.9996506234. Note that the first 3 decimals are identical.

The spelling of 1225031 in words is "one million, two hundred twenty-five thousand, thirty-one".