1030401901 has 32 divisors (see below), whose sum is σ = 1152000000. Its totient is φ = 917801280.

The previous prime is 1030401887. The next prime is 1030401907. The reversal of 1030401901 is 1091040301.

It is a happy number.

It is a 3-Lehmer number, since φ(1030401901) divides (1030401901-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 1030401901 - 2¹⁹ = 1029877613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a deceptive number, since it divides R_1030401900.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030401907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5177800 + ... + 5177998.

It is an arithmetic number, because the mean of its divisors is an integer number (36000000).

It is a Poulet number, since it divides 2^1030401900-1.

Almost surely, 2^1030401901 is an apocalyptic number.

1030401901 is the 14356-th centered decagonal number.

It is an amenable number.

1030401901 is a deficient number, since it is larger than the sum of its proper divisors (121598099).

1030401901 is a wasteful number, since it uses less digits than its factorization.

1030401901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1030401901 is about 32099.8738471041. The cubic root of 1030401901 is about 1010.0329698743.

The spelling of 1030401901 in words is "one billion, thirty million, four hundred one thousand, nine hundred one".