1253070 has 160 divisors (see below), whose sum is σ = 4390848. Its totient is φ = 248832.

The previous prime is 1253059. The next prime is 1253071. The reversal of 1253070 is 703521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253071) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 73702 + ... + 73718.

2^1253070 is an apocalyptic number.

1253070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195424).

1253070 is an abundant number, since it is smaller than the sum of its proper divisors (3137778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253070 is a wasteful number, since it uses less digits than its factorization.

1253070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 1253070 is about 1119.4060925330. The cubic root of 1253070 is about 107.8098505965.

Adding to 1253070 its reverse (703521), we get a palindrome (1956591).

The spelling of 1253070 in words is "one million, two hundred fifty-three thousand, seventy".