1352020454 has 16 divisors (see below), whose sum is σ = 2117076480. Its totient is φ = 646352520.

The previous prime is 1352020429. The next prime is 1352020463. The reversal of 1352020454 is 4540202531.

It is a happy number.

It is a super-2 number, since 2×1352020454² = 3655918616068732232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150707 + ... + 159425.

It is an arithmetic number, because the mean of its divisors is an integer number (132317280).

Almost surely, 2^1352020454 is an apocalyptic number.

1352020454 is a deficient number, since it is larger than the sum of its proper divisors (765056026).

1352020454 is a wasteful number, since it uses less digits than its factorization.

1352020454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12115.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1352020454 is about 36769.8307583813. The cubic root of 1352020454 is about 1105.7605389187.

Adding to 1352020454 its reverse (4540202531), we get a palindrome (5892222985).

The spelling of 1352020454 in words is "one billion, three hundred fifty-two million, twenty thousand, four hundred fifty-four".